- M-1 - Rocket Engine - USA - Lox/LH2 propellant
- M-1 - Surface-to-air missile - Russia - See S-25
- M-100 - Rocket Engine - Russia - Solid propellant
- M-100 - Sounding rocket - Russia
- M-11 - Short range ballistic missile - China - See DF-11
- M-2 - - (Launch System Designation) - See S-75
- M-20 - Rocket Engine - Japan - Solid propellant
- M-20 - Short range ballistic missile - USA - See Sergeant
- M-28 - Tactical ballistic rocket - USA (US Department of Defence Designation) - See Davy Crockett M-28
- M-29 - Tactical ballistic rocket - USA (US Department of Defence Designation) - See Davy Crockett XM-29
- M-3 - Rocket Engine - Japan - Solid propellant
- M-30 - Rocket Engine - Japan - Solid propellant
- M-3A - Rocket Engine - Japan - Solid propellant
- M-40 - Rocket Engine - Japan - Solid propellant
- M-40 - Intercontinental cruise missile - Russia - See Buran
- M-42 - Spacecraft - Manned - Rocketplane - Russia
- M-44 - Spacecraft - Manned - Rocketplane - Russia
- M-48 - Spacecraft - Manned - Spaceplane - Russia
- M-51 - Intercontinental cruise missile - Russia
- M-7 - Short range ballistic missile - China
- M-71 - Spacecraft - Planetary - Mars Lander - Russia - See Mars M-71
- M-73 - Spacecraft - Planetary - Mars Lander - Russia - See Mars M-73
- M-SAT - Space Project - Communications -
- M-Suit - Spacecraft - Manned - Space Suits - USA
- M-V - All-solid orbital launch vehicle - Japan
- M-V-4 - Rocket Engine - Japan - Solid propellant
- M1 - Spacecraft - Planetary - Mars Orbiter - Russia - See Mars M1
- M112 - Rocket Engine - USA - Solid propellant
- M2-F2 - Spacecraft - Manned - Spaceplane - USA
- M2-F3 - Spacecraft - Manned - Spaceplane - USA
- M24 - Rocket Engine - Japan - Solid propellant
- M26 - Tactical ballistic rocket - USA (US Department of Defence Designation) - See MLRS
- M33 - Rocket Engine - USA - Solid propellant
- M34 - Rocket Engine - Japan - Solid propellant
- M47 + M32, M51 + M34, M15 motors - Tactical ballistic rocket - USA - See Little John
- M5 - Rocket Engine - USA - Solid propellant
- M55 - Rocket Engine - USA - Solid propellant
- M55E1 - Sounding rocket - USA
- M56 - Rocket Engine - USA - Solid propellant
- M57 - Rocket Engine - USA - Solid propellant
- M6 - Rocket Engine - USA - Solid propellant
- Ma Zizhong - Ma Zizhong - Chinese Pilot Yuhangyuan - Shuguang Group - 1970
- MA-1 - Rocket Engine - USA - Lox/Kerosene propellant - See LR89
- MA-2 - Rocket Engine - USA - Lox/Kerosene propellant - See LR105
- MA-2 - Rocket Engine - USA - Lox/Kerosene propellant - See LR89
- MA-3 - Rocket Engine - USA - Lox/Kerosene propellant - See LR105
- MA-3 - Rocket Engine - USA - Lox/Kerosene propellant - See LR89
- MA-5 - Rocket Engine - USA - Lox/Kerosene propellant - See LR105
- MA-5 - Rocket Engine - USA - Lox/Kerosene propellant - See LR89
- MA-5 - Rocket Engine - USA - Lox/Kerosene propellant
- MA-5A - Rocket Engine - USA - Lox/Kerosene propellant - See LR105
- MA-5A - Rocket Engine - USA - Lox/Kerosene propellant - See LR89
- MABES - Spacecraft - Technology - - Japan
- Mace - Timothy Kristian Charles Mace - British Engineer Cosmonaut - British Commercial Group - 1989
- Mace - Intercontinental ballistic missile - Russia - See Bulava
- Mace - Intermediate range cruise missile - USA
- Machinski - Dr Georgi Vladimirovich Machinski - Russian Physician Cosmonaut - IMBP Group 1 - 1972
- MacLean - Steven Glenwood MacLean - Canadian Mission Specialist Astronaut - Canada Group 1 - 1983, NASA Group 16 - 1996
- Macleay - Lachlan Macleay - American Pilot Astronaut - USAF MOL Group 1 - 1965
- MacNabb - Byron Gordon MacNabb - American Engineer -
- MACSAT - Spacecraft - Communications - Military - USA
- Macuh Suit - Spacecraft - Manned - Space Suits - USA
- Maetzke - Helmut Maetzke - German Engineer -
- Mage 1 - Rocket Engine - France - Solid propellant
- Mage 2 - Rocket Engine - France - Solid propellant
- Magellan - Spacecraft - Planetary - Venus - USA
- Magilton - Gerard Edward 'Jerry' Magilton - American Payload Specialist Astronaut -
- Magion - Spacecraft - Earth - Magnetosphere - Czech Republic
- Magnum - Spacecraft - SIGINT - - USA
- Magnum - Heavy-lift orbital launch vehicle - USA
- Magnus - Sandra Hall Magnus - American Mission Specialist Astronaut - NASA Group 16 - 1996
- Magsat - Spacecraft - Earth - Magnetosphere - USA
- Magyari - Magyari Bela - Hungarian Pilot Cosmonaut - Intercosmos Group - 1978
- Mak - Spacecraft - Earth - Atmosphere - Russia
- Makarov - Oleg Grigoryevich Makarov - Russian Engineer Cosmonaut - Energia Engineer Group 1 - 1966
- Makarov A M - Aleksandr Maksimovich Makarov - Russian Engineer -
- Makat - IRBM Base in Kazakstan operated by .
- Makeyev - Viktor Petrovich Makeyev - Russian Engineer -
- Makrushin - Valeri Grigoryevich Makrushin - Russian Engineer Cosmonaut - Almaz Engineer Group 1 - 1972
- MAKS - Winged orbital launch vehicle - Russia
- Maksim - Yu P Maksim - Russian Military Officer -
- Maksimenko - Valery Yevgenyevich Maksimenko - Russian Pilot Cosmonaut - Buran Group 3 Supplemental - 1990
- Maksimov - Aleksandr Aleksandrovich Maksimov - Russian Military Officer -
- Malaface - Tactical ballistic missile - France
- Malaysian space history - - See Malaysia
- Malenchenko - Yuri Ivanovich Malenchenko - Ukrainian Pilot Cosmonaut - Air Force Group 8 - 1987
- Malenkov - Georgi Maksimiliyanovich Malenkov - Russian Government Official -
- Malerba - Franco Egidio Malerba - Italian Payload Specialist Astronaut -
- Malhotra - Ravish Malhotra - Indian Pilot Cosmonaut - International Group - 1982
- Malina - Frank J Malina - American Engineer -
- Malinovskiy - Rodion Yakovlevich Malinovskiy - Russian Military Officer -
- Maloy - Travis L Maloy - American Engineer -
- Malyshev - Yuri Vassilyevich Malyshev - Russian Pilot Cosmonaut - Air Force Group 4 - 1967
- Malyutka - Spacecraft - Manned - Rocketplane - Russia
- Man Out Of Space, Easiest - Spacecraft - Manned - Bailout - USA - See MOOSE
- Man-high - Spacecraft - Manned - Balloon - USA
- Manakov - Gennadi Mikhailovich Manakov - Russian Pilot Cosmonaut - Buran Group 2 - 1985
- Manarov - Musa (Mussachi) Khiramanovich Manarov - Lakets (Kavkazi) Russian Engineer Cosmonaut - Energia Engineer Group 5 - 1978
- Mandel - Carl Heinz Mandel - German Rocket engineer -
- Manke - John A Manke - American Pilot Test Pilot - Test Pilot (NASA)
- Manned Earth Reconnaissance - Spacecraft - Manned - Spacecraft - USA - See Project Mer
- Manned Flying System - Spacecraft - Manned - Lunar Flyer - USA - See MFS
- Manned Orbital Rendezvous and Docking - Spacecraft - Manned - Spacecraft - USA - See MORAD
- Manned Orbital Research Laboratory - Spacecraft - Manned - Space Station - USA - See MORL
- Manned Orbiting Laboratory - Spacecraft - Manned - Space Station - USA - See MOL
- Manned Orbiting Laboratory Suit, 1963 - Spacecraft - Manned - Space Suits - USA - See MOL Space Suit
- Manned Orbiting Shuttle Escape System - Spacecraft - Manned - Bailout - USA - See MOSES
- Manned Upper Reusable Payload - Spacecraft - Manned - Spaceplane - USA - See MURP
- Manned Vulkan-launched version - Spacecraft - Manned - Lunar Rover - Russia - See Lunokhod LEK
- Manno - Vittorio Manno - Italian Scientist -
- Mantz - Michael Ray Mantz - American Manned Spaceflight Engineer Astronaut - DoD Group 2 - 1982
- MAP - Spacecraft - Astronomy - Infrared - USA
- Mapping and Survey System - Spacecraft - Manned - Lunar Orbiter - USA - See Apollo MSS
- MAQSAT - Spacecraft - Technology - - Europe
- Marambio - Suborbital Launch Site in Antarctica operated by .
- MARC 13A1 - Rocket Engine - USA - Solid propellant
- MARC 14A1 - Rocket Engine - USA - Solid propellant
- MARC 14B1 - Rocket Engine - USA - Solid propellant
- MARC 2B1 - Rocket Engine - USA - Solid propellant
- MARC 2C2 - Rocket Engine - USA - Solid propellant
- MARC 42A1 - Rocket Engine - USA - Solid propellant
- MARC 60A - Rocket Engine - USA - Solid propellant
- MARECS - Space Project - Communications -
- Mariner - Space Project - Planetary - Venus
- Mariner 10 - Spacecraft - Planetary - Mercury - USA
- Mariner 3-4 - Spacecraft - Planetary - Mars Flyby - USA
- Mariner 5 - Spacecraft - Planetary - Venus - USA
- Mariner 6-7 - Spacecraft - Planetary - Mars Flyby - USA
- Mariner 8-9 - Spacecraft - Planetary - Mars Orbiter - USA
- Mariner Mark II - Spacecraft - Planetary - Comet - USA - See CRAF
- Mariner R - Spacecraft - Planetary - Venus - USA
- Marisat - Spacecraft - Communications - - USA
- Mark - Hans Mark - German American Manager -
- Mark IV USAF - Spacecraft - Manned - Space Suits - USA - See A/P 22S-3
- Marka - Suborbital Launch Site in Norway.
- Marpost - Spacecraft - Manned - Mars Expedition - Russia
- Marquardt Space Sled - Spacecraft - Manned - Space Suits - USA - See Space Sled
- Mars - Tactical ballistic rocket - Russia
- Mars - Tactical ballistic rocket - Russia (Launch System Designation)
- Mars - Space Project - Planetary - Mars
- Mars 1975 - Spacecraft - Planetary - Mars Lander - Russia - See Mars 5NM
- Mars 1986 - Spacecraft - Manned - Mars Expedition - Russia
- Mars 1989 - Spacecraft - Manned - Mars Expedition - Russia
- Mars 1994 - Spacecraft - Manned - Mars Expedition - Russia
- Mars 1M - Spacecraft - Planetary - Mars Flyby - Russia
- Mars 2MV-1 - Spacecraft - Planetary - Venus - Russia
- Mars 2MV-2 - Spacecraft - Planetary - Venus - Russia
- Mars 2MV-3 - Spacecraft - Planetary - Venus - Russia
- Mars 2MV-4 - Spacecraft - Planetary - Mars Flyby - Russia
- Mars 3MV-4A - Spacecraft - Planetary - Mars Flyby - Russia
- Mars 5M - Spacecraft - Planetary - Mars Lander - Russia
- Mars 5NM - Spacecraft - Planetary - Mars Lander - Russia
- Mars Climate Orbiter - Spacecraft - Planetary - Mars Orbiter - USA - See MCO
- Mars Direct - Spacecraft - Manned - Mars Expedition - USA
- Mars Excursion Module - Spacecraft - Manned - Mars Lander - USA - See MEM
- Mars Expeditionary Complex - Spacecraft - Manned - Mars Expedition - Russia - See MEK
- Mars Exploration Rover - Spacecraft - Planetary - Mars Lander - USA - See MER
- Mars Express - Spacecraft - Planetary - Mars Orbiter - Europe
- Mars M-69 - Spacecraft - Planetary - Mars Orbiter - Russia
- Mars M-71 - Spacecraft - Planetary - Mars Lander - Russia
- Mars M-73 - Spacecraft - Planetary - Mars Lander - Russia
- Mars M1 - Spacecraft - Planetary - Mars Orbiter - Russia
- Mars Oz - Spacecraft - Manned - Mars Expedition - Australia
- Mars Piloted Orbital Station - Spacecraft - Manned - Mars Expedition - Russia - See Marpost
- Mars Science Laboratory - Spacecraft - Planetary - Mars Rover - - See MSL
- Marshall - Frank Marshall - American Engineer -
- Marshburn - Thomas Henry 'Tom' Marshburn - American Mission Specialist Astronaut - NASA Group 19 - 2004
- Marsokhod - Spacecraft - Manned - Mars Rover - Russia
- Martian Piloted Complex - Spacecraft - Manned - Mars Expedition - Russia - See MPK
- Martin - John Martin - Test pilot -
- Martin Marietta SDV - Orbital launch vehicle - - See Shuttle
- Martin Plan C - - - See Titan
- Martlet - Gun-launched orbital launch vehicle - Canada
- Martlet 4-1 - Rocket Engine - Canada - Solid propellant
- Martlet 4-2 - Rocket Engine - Canada - Solid propellant
- Martlet 4-3 - Rocket Engine - Canada - Solid propellant
- Martynov - Ivan Moiseyevich Martynov - Russian Military Officer -
- Massey - Sir Harrie S W Massey - British Engineer -
- Massimino - Michael James Massimino - American Mission Specialist Astronaut - NASA Group 16 - 1996
- Mastracchio - Richard Alan (Rick) Mastracchio - American Mission Specialist Astronaut - NASA Group 16 - 1996
- Masum - Mohammad Dauran Ghulam Masum - Afghani Pilot Cosmonaut - International Group - 1988
- Matador - Intermediate range cruise missile - USA
- Matador M-16 - Rocket Engine - USA - Air/Kerosene propellant
- Matheis - Fritz Matheis - German Rocket technician -
- Matienzo - Suborbital Launch Site in operated by Argentina.
- Matinchenko - Aleksandr Nikolayevich Matinchenko - Russian Engineer Cosmonaut - Air Force Group 2 - 1963
- Matthes - Franz Matthes - German Professor -
- Matthiesen - Dr David Henry Matthiesen - American Payload Specialist Astronaut -
- Mattingly - Thomas Kenneth (Ken) Mattingly II - American Pilot Astronaut - NASA Group 5 - 1966
- Maus - Hans Hermann Maus - German Rocket engineer -
- Mavr - Spacecraft - Manned - Mars Flyby - Russia
- Maxus - Sounding rocket - Germany
- May - Eugene F May - American Test Pilot -
- Mayak - Spacecraft - Communications - - Russia
- Mayak - Orbital launch vehicle - Ukraine
- Mayflower - Spacecraft - Manned - Spaceplane - USA
- Mayfly - Rocket Engine - Australia - Solid propellant
- Maynard - Owen Maynard - Canadian American Engineer -
- Mayo - Itzhak Mayo - Jewish Israeli Pilot Astronaut -
- Mazur - Yevgeni Vasilyevich Mazur - Russian Government Official -
- MB - Sounding rocket - Brazil
- MB-1 - Spacecraft - Manned - Space Suits - USA
- MB-1 - Rocket Engine - USA - Lox/Kerosene propellant - See LR79
- MB-1 - Rocket Engine - USA - Solid propellant
- MB-3 - Rocket Engine - USA - Lox/Kerosene propellant - See LR79
- MB-3-J - Rocket Engine - USA - Lox/Kerosene propellant - See LR79
- MB-35 - Rocket Engine - Japan - Lox/LH2 propellant
- MB-45 - Rocket Engine - Japan - Lox/LH2 propellant
- MB-60 - Rocket Engine - Japan - Lox/LH2 propellant
- MBB-ATC500 - Rocket Engine - Germany - Lox/LH2 propellant
- MBR - Intercontinental ballistic missile - Russia
- MC-1 - Spacecraft - Manned - Space Suits - USA
- MC-2 - Spacecraft - Manned - Space Suits - USA
- MC-3 - Spacecraft - Manned - Space Suits - USA
- MC-3A - Spacecraft - Manned - Space Suits - USA
- MC-4A - Spacecraft - Manned - Space Suits - USA
- McArthur - William Surles (Bill) McArthur Jr - American Mission Specialist Astronaut - NASA Group 13 - 1990
- McArthur Megan - Katherine Megan McArthur - American Scientist Astronaut - NASA Group 18 - 2000
- McAuliffe - Sharon Christa Corrigan McAuliffe - American Payload Specialist Astronaut -
- McBride - Jon Andrew McBride - American Pilot Astronaut - NASA Group 8 - 1978
- McCandless - Bruce McCandless II - American Mission Specialist Astronaut - NASA Group 5 - 1966
- McCone - John A McCone - American Manager -
- McCool - William Cameron 'Willie' McCool - American Pilot Astronaut - NASA Group 16 - 1996
- McCulley - Michael James McCulley - American Pilot Astronaut - NASA Group 10 - 1984
- McDivitt - James Alton (Jim) McDivitt - American Pilot Astronaut - NASA Group 2 - 1962
- McDonald - Frank B McDonald - American Manager -
- McDonnell - James S McDonnell, Jr - American Manager -
- McDonnell - Spacecraft - Manned - Spacecraft Module - USA - See Apollo Direct CM
- McDonnell - Spacecraft - Manned - Spacecraft Module - USA - See Apollo Direct RM
- McDonnell - Spacecraft - Manned - Spacecraft Module - USA - See Apollo Direct SM
- McDonnell-Douglas - Spacecraft - Manned - Spacecraft - USA - See Big Gemini
- McDonnell-Douglas - Spacecraft - Manned - Spacecraft - USA - See Gemini Ferry
- McDonnell-Douglas - Spacecraft - Manned - Lunar Orbiter - USA - See Gemini LORV
- McDonnell-Douglas - Spacecraft - Manned - Spacecraft - USA - See Gemini
- McDonnell-Douglas - Spacecraft - Manned - Lunar Lander - USA - See Gemini LOR
- McDonnell-Douglas - Spacecraft - Manned - Lunar Flyby - USA - See Gemini-Centaur
- McDonnell-Douglas - Spacecraft - Manned - Logistics - USA - See Gemini Transport
- McDonnell-Douglas - Spacecraft - Manned - Lunar Orbiter - USA - See Gemini - Saturn V
- McDonnell-Douglas - Spacecraft - Manned - Bailout - USA - See Rescue Gemini
- McDonnell-Douglas - Spacecraft - Manned - Spaceplane - USA - See Winged Gemini
- McElroy - Neil H McElroy - American Manager -
- McKay - John Barron McKay - American Pilot Test Pilot - Man-In-Space-Soonest - 1958, Test Pilot (NASA)
- McKay Michael - Michael John McKay - Canadian Payload Specialist Astronaut -
- McMonagle - Donald (Don) Ray McMonagle - American Pilot Astronaut - NASA Group 12 - 1987
- McMurdo - Suborbital Launch Site in operated by USAF?.
- McMurtry - Thomas C McMurtry - American Pilot Test Pilot - Test Pilot (NASA)
- McNair - Dr Ronald Erwin McNair - American Mission Specialist Astronaut - NASA Group 8 - 1978
- McNamara - Robert S McNamara - American Manager -
- MCO - Spacecraft - Planetary - Mars Orbiter - USA
- MD-620 - Rocket Engine - France - N2O4/UDMH propellant
- MDPB - Spacecraft - Manned - Space station module - USA
- MDS - Spacecraft - Technology - - Japan
- Me-163 - Spacecraft - Manned - Rocketplane - Germany
- Me-163 - Winged rocketplane - Germany
- Meade - Carl Joseph Meade - American Mission Specialist Astronaut - NASA Group 11 - 1985
- Measat - Space Project - Communications -
- Mech - Spacecraft - Manned - Space Station - Russia - See Almaz
- Mech - Spacecraft - Manned - Space Station - Russia - See Almaz OPS
- Mech-K - Spacecraft - Surveillance - Radarsat - Russia - See Almaz-T
- Mechanical Astronaut - Mercury Mechanical Astronaut Simulator - Phantom cosmonaut - Phantom Cosmonaut
- Medaris - John Bruce Medaris - American Manager -
- Medium Range Target Vehicle - - - See ait
- Mega Rover - Spacecraft - Manned - Lunar Rover - USA
- Megsat - Spacecraft - Technology - Communications - Italy
- Meier Otto - Otto Meier - German Rocket engineer -
- MEK - Spacecraft - Manned - Mars Expedition - Russia
- Melanie - Rocket Engine - France - Solid propellant
- Melnick - Bruce Edward Melnick - American Mission Specialist Astronaut - NASA Group 12 - 1987
- Melnikov - Mikhail Vasilyevich Melnikov - Russian Engineer -
- Melroy - Pamela Ann Melroy - American Pilot Astronaut - NASA Group 15 - 1995
- Melusine - Rocket Engine - France - Solid propellant
- Melvill - Mike Melvill - American Pilot Test Pilot - Test Pilot (Scaled Composites)
- Melvin - Leland (Lee) Devon Melvin - American Mission Specialist Astronaut - NASA Group 17 - 1998
- MEM - Spacecraft - Manned - Mars Lander - USA
- MEMS - Spacecraft - Technology - Communications - USA
- Menaka II - rocket - See RH
- Meng Senlin - Meng Senlin - Chinese Pilot Yuhangyuan - Shuguang Group - 1970
- Mengel - John T Mengel - American Engineer -
- Menke - Menke - German Rocket engineer -
- MER - Spacecraft - Planetary - Mars Lander - USA
- MER-6 - Strategic communications missile - (US Department of Defence Designation) - See Scout
- MERA - Sounding rocket - Russia
- Merbold - Dr Ulf Dietrich Merbold - German Payload Specialist Astronaut -
- Merchez - Marianne Merchez - Belgian Engineer Cosmonaut - ESA Group 1 - 1992
- Mercury - Spacecraft - Manned - Spacecraft - USA
- Mercury - Space Project - Manned - Spacecraft
- Mercury - Suborbital Launch Site in USA.
- Mercury MA-10 - Manned spaceflight - Mercury program (Cancelled flight)
- Mercury MA-11 - Manned spaceflight - Mercury program (Cancelled flight)
- Mercury MA-12 - Manned spaceflight - Mercury program (Cancelled flight)
- Mercury MA-9A - Manned spaceflight - Mercury program (Cancelled flight)
- Mercury MR-3A - Manned spaceflight - Mercury program (Cancelled flight)
- Mercury MR-5 - Manned spaceflight - Mercury program (Cancelled flight)
- Mercury MR-6 - Manned spaceflight - Mercury program (Cancelled flight)
- MErcury Surface, Space ENvironment, GEochemistry and Ranging mission - Spacecraft - Planetary - Mercury - USA - See Messenger
- Meridian - Spacecraft - Communications - Military - Russia
- Merk Ernst - Ernst Helmut Merk - German Rocket engineer -
- Merkur - Spacecraft - Materials - - Russia - See Tekos
- Merlin - Rocket Engine - USA - Lox/Kerosene propellant
- Merlin 1A - Rocket Engine - USA - Lox/Kerosene propellant
- Mesbah - Spacecraft - Technology - - Iran
- Mesbah-2 - Spacecraft - Communications - Store-dump - Iran
- Meshcheryakov - Ivan Vasiliyevich Meshcheryakov - Russian Military Officer -
- Messenger - Spacecraft - Planetary - Mercury - USA
- Messerschmid - Dr Ernst Willi Messerschmid - German Payload Specialist Astronaut -
- Metcalf-Lindenburger - Dorothy Marie 'Dottie' Metcalf-Lindenburger - American Mission Specialist Astronaut - NASA Group 19 - 2004
- Meteo-MD - rocket - See Monica
- Meteor - Spacecraft - Earth - Weather - Russia
- Meteor - Sounding rocket - Poland
- Meteor M - Spacecraft - Earth - Weather - Russia
- Meteor-1 - Rocket Engine - Poland - Solid propellant
- Meteor-2 - Spacecraft - Earth - Weather - Russia
- Meteor-2 - Rocket Engine - Poland - Solid propellant
- Meteor-3 - Spacecraft - Earth - Weather - Russia
- Meteor-3M - Spacecraft - Earth - Weather - Russia
- Meteor-Priroda - Spacecraft - Earth - Landsat - Russia - See Resurs-O1
- Meteorit - Intermediate range cruise missile - Russia
- Meteorit-M - Intermediate range cruise missile - Russia (Launch System Designation) - See P-750
- Meteoroid Technology Satellite - Spacecraft - Earth - Micrometeoroid - USA - See MTS
- Meteosat - Spacecraft - Earth - Weather - Europe
- Metop - Spacecraft - Earth - Weather - EU
- METSAT - Spacecraft - Earth - Weather - India
- Mettler - Ruben F Mettler - American Manager -
- Metz - Richard Metz - German Military officer -
- Mexican space history - - See Mexico
- Mexico - Mexican space history
- Meytarchan - Vyacheslav Georgyevich Meytarchan - Ukrainian Scientist Cosmonaut - Ukraine Group - 1996
- MFS - Spacecraft - Manned - Lunar Flyer - USA
- MG-18 - Rocket Engine - USA - Solid propellant
- MGM-1 - Intermediate range cruise missile - USA (US Department of Defence Designation) - See Matador
- MGM-140 - Short range ballistic missile - USA (US Department of Defence Designation) - See ATACMS
- MGM-140 Block 1 - - (US Department of Defence Designation) - See ATACMS
- MGM-140 Block 1A - - (US Department of Defence Designation) - See ATACMS
- MGM-140 Block 2 - - (US Department of Defence Designation) - See ATACMS
- MGM-164 - Short range ballistic missile - USA (US Department of Defence Designation) - See ATACMS II
- MGM-18A - Tactical ballistic missile - USA (US Department of Defence Designation) - See Lacrosse
- MGM-1A - - (US Department of Defence Designation) - See Matador
- MGM-1B - - (US Department of Defence Designation) - See Matador
- MGM-1C - - (US Department of Defence Designation) - See Matador
- MGM-29A - Short range ballistic missile - USA (US Department of Defence Designation) - See Sergeant
- MGM-31 - Intermediate range ballistic missile - USA (US Department of Defence Designation) - See Pershing
- MGM-31A - - (US Department of Defence Designation) - See Pershing
- MGM-31B - - (US Department of Defence Designation) - See Pershing
- MGM-31C - - (US Department of Defence Designation) - See Pershing
- MGM-31D - - (US Department of Defence Designation) - See Pershing
- MGM-5 - Short range ballistic missile - USA (US Department of Defence Designation) - See Corporal
- MGM-52 - Short range ballistic missile - USA (US Department of Defence Designation) - See Lance
- MGM-52A - - (US Department of Defence Designation) - See Lance
- MGM-52A - rocket - See Lance
- MGM-52C - - (US Department of Defence Designation) - See Lance
- MGM-52C - rocket - See Lance
- MGM-5A - - (US Department of Defence Designation) - See Corporal
- MGM-5B - - (US Department of Defence Designation) - See Corporal
- MGR-1 - Tactical ballistic rocket - USA (US Department of Defence Designation) - See Honest John
- MGR-1A - - (US Department of Defence Designation) - See Honest John
- MGR-1B - - (US Department of Defence Designation) - See Honest John
- MGR-3 - Tactical ballistic rocket - USA (US Department of Defence Designation) - See Little John
- Michel - Dr Frank Curtis Michel - American Scientist Astronaut - NASA Group 4 - 1965
- Michel Josef - Josef Martin Michel - German Rocket engineer -
- Michelle-B - Spacecraft - Manned - Spacecraft - USA
- Micon - Surface-to-air missile - Switzerland
- MIcro-Measurements Of Satellite Acceleration - Spacecraft - Earth - Atmosphere - Czech Republic - See Mimosa
- Microsat - Spacecraft - Communications - - USA
- Microsat SSTL - Spacecraft - Technology - - UK - See MicroSat-70
- Microsatellite Technology Experiment - Spacecraft - Military - ASAT - USA - See Mitex
- Microstar - Spacecraft - Technology - Communications - USA
- Microstar - Spacecraft - Technology - Communications - USA - See Orbcomm
- Microstar - Spacecraft - Communications - - USA - See Teledesic
- Microstar - rocket - See Loki
- Microvariability and Oscillations Of STars - Spacecraft - Astronomy - Visible - Canada - See Most
- Midas - Spacecraft - Early Warning - - USA
- Midcourse Space Experiment - Spacecraft - Military - SDI - USA - See MSX
- Midgetman - Intercontinental ballistic missile - USA
- Midgetman - Intercontinental ballistic missile - USA - See SICBM
- Midstar - Spacecraft - Technology - - USA
- Midway - Suborbital Launch Site in operated by .
- MiG 105-11 - Spacecraft - Manned - Spaceplane - Russia
- MiG-2000 - Winged orbital launch vehicle - Russia
- MiG-31NS - Air-launched orbital launch vehicle - Russia
- MIGAKS - Winged orbital launch vehicle - Russia
- Mighty Mouse - Air-to-air rocket - USA - See FFAR
- Mikhailov - Gennady Mikhailov - Phantom cosmonaut - Phantom Cosmonaut
- Mikoyan - Artem Ivanovich Mikoyan - Russian Engineer -
- Mikoyan 301 - Intermediate range cruise missile - Russia
- Mikoyan Andrei - Andrei Mikoyan - Phantom cosmonaut - Phantom Cosmonaut
- Mikron - Spacecraft - Earth - Landsat - Ukraine - See MS-1
- Milde - Hans Walter Milde - German Rocket engineer -
- Milekhin - Yuri Mikhailovich Milekhin - Russian Engineer -
- Military Strategic and Tactical Relay System - Spacecraft - Communications - Military - USA - See Milstar
- Millikan - Robert A Millikan - American Manager -
- Millinger - Heinz Albert Millinger - German Rocket engineer -
- Milstar - Spacecraft - Communications - Military - USA
- MIM-104 - Surface-to-air missile - USA (US Department of Defence Designation) - See Patriot
- MIM-104A - - (US Department of Defence Designation) - See Patriot
- MIM-104A - Anti-ballistic missile - (US Department of Defence Designation) - See Patriot
- MIM-14 - Surface-to-air missile - USA (US Department of Defence Designation) - See Nike Hercules
- MIM-14A - - (US Department of Defence Designation) - See Nike Hercules
- MIM-14B - - (US Department of Defence Designation) - See Nike Hercules
- MIM-23 - Surface-to-air missile - USA (US Department of Defence Designation) - See Hawk
- MIM-23A - - (US Department of Defence Designation) - See Hawk
- MIM-23A - rocket - See Hawk
- MIM-23B - - (US Department of Defence Designation) - See Hawk
- MIM-23B - rocket - See Hawk
- MIM-3A - Surface-to-air missile - USA (US Department of Defence Designation) - See Nike Ajax
- Mimosa - Spacecraft - Earth - Atmosphere - Czech Republic
- Minakh - IRBM Base in Syria operated by .
- Minibus - Spacecraft - Technology - - UK
- Minisat - Spacecraft - Technology - - USA
- Minisat SSTL - Spacecraft - Technology - - UK - See MiniSat-400
- Minning - Rudolf Friederich Franz Minning - German Rocket engineer -
- Minotaur - All-solid orbital launch vehicle - USA
- Minuteman - Intercontinental ballistic missile - USA
- Minuteman 2 - Intercontinental ballistic missile - USA - See Minuteman
- Minuteman 3 - Intercontinental ballistic missile - USA - See Minuteman
- Minuteman ERCS - Strategic communications missile - - See Minuteman I
- Minuteman II - Intercontinental ballistic missile - USA - See Midgetman
- Mir - Spacecraft - Manned - Space Station - Russia
- Mir - Space Project - Manned - Space station
- Mir 92 - Manned spaceflight - Mir program
- Mir 97 - Manned spaceflight - Mir program
- Mir complex - Spacecraft - Manned - Space Station - Russia
- Mir EO-1 - Manned spaceflight - Mir program
- Mir EO-2 - Manned spaceflight - Mir program
- Mir EO-3 - Manned spaceflight - Mir program
- Mir EO-4 - Manned spaceflight - Mir program
- Mir EO-5 - Manned spaceflight - Mir program
- Mir EO-6 - Manned spaceflight - Mir program
- Mir EO-7 - Manned spaceflight - Mir program
- Mir EO-8 - Manned spaceflight - Mir program
- Mir EO-9 - Manned spaceflight - Mir program
- Mir EP-1 - Manned spaceflight - Mir program
- Mir EP-2 - Manned spaceflight - Mir program
- Mir EP-3 - Manned spaceflight - Mir program
- Mir EP-4 - Manned spaceflight - Mir program
- Mir Euromir 95 - Manned spaceflight - Mir program - See Mir EO-20
- Mir Juno - Manned spaceflight - Mir program
- Mir LD-1 - Manned spaceflight - Mir program
- Mir LD-2 - Manned spaceflight - Mir program
- Mir LD-3 - Manned spaceflight - Mir program
- Mir LD-4 - Manned spaceflight - Mir program
- Mir Perseus - Manned spaceflight - Mir program - See Mir EO-27
- Mir-2 - Spacecraft - Manned - Space Station - Russia
- Mirak - Sounding rocket - Germany
- Miranda - Spacecraft - Technology - - UK
- Mirka - Spacecraft - Technology - RV - Germany
- Mirniy - Orbital Launch Site in Russia. - See Plesetsk
- Mishin - Vasili Pavlovich Mishin - Russian Engineer -
- Missile Defense Alarm System - Spacecraft - Early Warning - - USA - See Midas
- Mission Module - Spacecraft - Manned - Mars Orbiter - USA - See MM
- Mission Module - Spacecraft - Manned - Space station module - - See MOL MM
- Misty - Spacecraft - Surveillance - Nuclear Detection - USA
- Misurkin - Aleksandr Aleksandrovich Misurkin - Pilot Cosmonaut - Air Force Group 14 - 2006
- Mitchell - Edgar Dean 'Ed' Mitchell - American Pilot Astronaut - NASA Group 5 - 1966
- Mitex - Spacecraft - Military - ASAT - USA
- Mitkov - Andrei Mitkov - Phantom cosmonaut - Phantom Cosmonaut
- Mittauer - Richard T Mittauer - American Manager -
- Mk 104 - Rocket Engine - USA - Solid propellant
- Mk 17 - Rocket Engine - USA - Solid propellant
- Mk 30 - Rocket Engine - USA - Solid propellant
- Mk 36 - Rocket Engine - USA - Solid propellant
- Mk 39 - Rocket Engine - USA - Solid propellant
- Mk 72 - Rocket Engine - USA - Solid propellant
- MK ZPS - Spacecraft - Manned - Space Suits - USA
- MK-700 - Spacecraft - Manned - Mars Flyby - Russia
- Mk7 - Rocket Engine - USA - Solid propellant
- MKBS - Spacecraft - Manned - Space Station - Russia
- MKR - Intercontinental cruise missile - Russia
- MLLV - SSTO orbital launch vehicle - USA
- MLRS - Rocket Engine - USA - Solid propellant
- MLRS - Tactical ballistic rocket - USA
- MLRS Extended Range - - - See MLRS
- MM - Spacecraft - Manned - Mars Orbiter - USA
- MMR - Rocket Engine - Russia - Solid propellant
- MMR-06 - Sounding rocket - Russia
- MMRBM - Intermediate range ballistic missile - USA
- Mnatsakanian - Armen Sergeyevich Mnatsakanian - Russian Engineer -
- MOBEV F1B - Spacecraft - Manned - Lunar Flyer - USA
- MOBEV F2B - Spacecraft - Manned - Lunar Flyer - USA
- MOBEV F2E - Spacecraft - Manned - Lunar Flyer - USA
- MOBEV R0AE - Spacecraft - Planetary - Lunar Rover - USA
- MOBEV R0CE - Spacecraft - Planetary - Lunar Rover - USA
- MOBEV R0DE - Spacecraft - Planetary - Lunar Rover - USA
- MOBEV R1B - Spacecraft - Manned - Lunar Rover - USA
- MOBEV R1CB - Spacecraft - Manned - Lunar Rover - USA
- MOBEV R1DE - Spacecraft - Manned - Lunar Rover - USA
- MOBEV R3DE - Spacecraft - Manned - Lunar Rover - USA
- Mobile Command Module - Spacecraft - Manned - Lunar Rover - USA - See MOCOM
- Mobile Equipment Transporter - Spacecraft - Manned - Space Suits - USA - See Apollo MET
- Mobile LM Shelter - Spacecraft - Manned - Lunar Rover - USA - See MOLEM
- Mobile Lunar Laboratory - Spacecraft - Manned - Lunar rover - USA - See Molab
- MOCAN - Spacecraft - Manned - Lunar Rover - USA
- MOCOM - Spacecraft - Manned - Lunar Rover - USA
- Modarelli - James J Modarelli - American Manager -
- Model 4 - Spacecraft - Manned - Space Suits - USA
- Model 671 - Spacecraft - Manned - Rocketplane - USA - See D-558-3
- Moderate Capacity Mobile Laboratory - Spacecraft - Manned - Lunar rover - USA - See Molab
- Mogila - Anatoliy Iosifovich Mogila - Russian Military Officer -
- Mohmand - Abdul Ahad Mohmand - Afghani Pilot Cosmonaut - International Group - 1988
- Mohri - Mamoru Mohri - Japanese Mission Specialist Astronaut - NASDA Group - 1985, NASA Group 16 - 1996
- Mohts - Hermann Mohts - German Engineer -
- Moiseyev - Yevgenity Georgeyevich Moiseyev - Russian Military Officer -
- Mojave - Suborbital Launch Site in USA.
- MOK - Spacecraft - Manned - Space Station - Russia - See MKBS
- MOL - Spacecraft - Manned - Space Station - USA
- MOL 3 - Manned spaceflight - program (Cancelled flight)
- MOL 4 - Manned spaceflight - program (Cancelled flight)
- MOL 5 - Manned spaceflight - program (Cancelled flight)
- MOL 6 - Manned spaceflight - program (Cancelled flight)
- MOL 7 - Manned spaceflight - program (Cancelled flight)
- MOL LM - Spacecraft - Manned - Space station module -
- MOL MM - Spacecraft - Manned - Space station module -
- Molab - Spacecraft - Manned - Lunar rover - USA
- MOLEM - Spacecraft - Manned - Lunar Rover - USA
- Molniya - Space Project - Communications -
- Molniya 8K78 - rocket - See Soyuz
- Molniya 8K78/E6 - rocket - See Soyuz
- Molniya 8K78L - rocket - See Soyuz
- Molniya 8K78M - rocket - See Soyuz
- Molniya 8K78M 2BL - rocket - See Soyuz
- Molniya 8K78M ML - rocket - See Soyuz
- Molniya 8K78M SOL - rocket - See Soyuz
- Molniya-1 - Spacecraft - Communications - - Russia
- Molniya-1M - Spacecraft - Communications - - Russia - See Molniya-2
- Molniya-1T - Spacecraft - Communications - - Russia
- Molniya-2 - Spacecraft - Communications - - Russia
- Molniya-2M - Spacecraft - Communications - - Russia - See Molniya-3
- Molniya-3 - Spacecraft - Communications - - Russia
- Molniya-M - - - See Soyuz
- Molniya-Yu - Spacecraft - Technology - Tracking network - Russia
- MON/Hydrazine - Rocket engine propellants and the engines that use them.
- MON/Hydyne - Rocket engine propellants and the engines that use them.
- MON/MMH - Rocket engine propellants and the engines that use them.
- MON/UDMH - Rocket engine propellants and the engines that use them.
- Money - Kenneth Eric Money - Canadian Payload Specialist Astronaut -
- Mongolian space history - - See Mongolia
- Monica - Sounding rocket - France
- Monitor - Spacecraft - Earth - Landsat - Russia
- Monoblock UR-500 - rocket - See Proton
- Monroe - Jack Pendleton Monroe - American Manager -
- Moore - John R Moore - American Manager -
- MOOSE - Spacecraft - Manned - Bailout - USA
- MORAD - Spacecraft - Manned - Spacecraft - USA
- Mordovtsev - Aleksei Filippovich Mordovtsev - Russian Military Officer -
- Morelos - Space Project - Communications -
- Morgan - Barbara Radding Morgan - American Mission Specialist Astronaut - NASA Group 17 - 1998
- Morgenstern - Oskar Morgenstern - German American Manager -
- Morin - Lee Miller Emile Morin - American Mission Specialist Astronaut - NASA Group 16 - 1996
- MORL - Spacecraft - Manned - Space Station - USA
- Moroccan space history - - See Morocco
- Morozov Viktor - Viktor Pavlovich Morozov - Russian Military Officer -
- Morphlab - Spacecraft - Manned - Lunar Rover - USA
- Morris - Brooks Morris - American Manager -
- Morukov - Dr Boris Vladimirovich Morukov - Russian Physician Cosmonaut - IMBP Group 5 - 1989
- MOSAP - Spacecraft - Manned - Lunar Rover -
- Mosch - Mosch - German Rocket engineer -
- MOSES - Spacecraft - Manned - Bailout - USA
- Moshchenko - Sergey Ivanovich Moshchenko - Russian Engineer Cosmonaut - Khrunichev Engineer Group - 1997
- Moshkin - Oleg Yuriyevich Moshkin - Russian Pilot Cosmonaut - Air Force Group 12 - 1997
- Moskalenko - Nikolai Tikhonovich Moskalenko - Russian Pilot Cosmonaut - Air Force Group 6 - 1976
- Moskalyov - Oleg Borisovich Moskalyov - Soviet Scientist Cosmonaut - Voskhod Group - 1964
- Mosolov - Vladimir Yemeliyanovich Mosolov - Russian Pilot Cosmonaut - Buran Group 1 - 1978
- Most - Spacecraft - Astronomy - Visible - Canada
- MoTV - Spacecraft - Tug - - USA
- Moureu - Henri Moureu - French Professor -
- Mozyr - ICBM Base in Belarus operated by Russia.
- Mozzhorin - Yuri Aleksandrovich Mozzhorin - Russian Military Officer -
- MPD - Rocket Engine - USA -
- MPEC - Spacecraft - Technology - Military - USA
- MPK - Spacecraft - Manned - Mars Expedition - Russia
- MQM-8G - Surface-to-air drone - - See Talos
- MQM-8G - Surface-to-air drone - (US Department of Defence Designation) - See Talos
- MR - Rocket Engine - Russia - Solid propellant
- MR - Intercontinental ballistic missile - Russia
- MR-103 - Rocket Engine - USA - Hydrazine propellant
- MR-104 - Rocket Engine - USA - Hydrazine propellant
- MR-106 - Rocket Engine - USA - Hydrazine propellant
- MR-107 - Rocket Engine - USA - Hydrazine propellant
- MR-111 - Rocket Engine - USA - Hydrazine propellant
- MR-12 - Sounding rocket - Russia
- MR-120 - Rocket Engine - USA - Hydrazine propellant
- MR-125 - Rocket Engine - USA - Solid propellant
- MR-20 - rocket - See MR-12
- MR-25 - rocket - See MR-12
- MR-50 - Rocket Engine - USA - Hydrazine propellant
- MR-501 - Rocket Engine - USA - Hydrazine propellant
- MR-502 - Rocket Engine - USA - Hydrazine propellant
- MR-508 - Rocket Engine - USA - Hydrazine propellant
- MR-509 - Rocket Engine - USA - Hydrazine propellant
- MR-510 - Rocket Engine - USA - Hydrazine propellant
- MR-512 - Rocket Engine - USA - Hydrazine propellant
- MR-UR-100 - Intercontinental ballistic missile - Ukraine
- MR-UR-100 BR - Rocket Engine - Ukraine - N2O4/UDMH propellant
- Mrazek - Willi Mrazek - German Rocket engineer -
- MRC DM - Spacecraft - Manned - Spacecraft Module -
- MRC SM - Spacecraft - Manned - Spacecraft Module -
- MRE-15 - Rocket Engine - USA - Hydrazine propellant
- MRE-5 - Rocket Engine - USA - N2O4/MMH propellant
- MRM-103 - Rocket Engine - USA - Hydrazine propellant
- MRM-106 - Rocket Engine - USA - Hydrazine propellant
- MRM-122 - Rocket Engine - USA - Hydrazine propellant
- MRSV - Spacecraft - Manned - Spacecraft - USA
- Mrykin - Aleksandr Grigoryevich Mrykin - Russian Military Officer -
- MS - Space Project - Technology -
- MS-1 - Spacecraft - Earth - Landsat - Ukraine
- MSBS - Intermediate range ballistic missile - France
- MSBS 501 - Rocket Engine - France - Solid propellant
- MSBS 502 - Rocket Engine - France - Solid propellant
- MSBS 503 - Rocket Engine - France - Solid propellant
- MSG - Spacecraft - Earth - Weather - Europe
- MSL - Spacecraft - Planetary - Mars Rover -
- MSTI - Spacecraft - Military - SDI - USA
- MSTS - Spacecraft - Manned - Lunar Rover - USA
- MSX - Spacecraft - Military - SDI - USA
- MT 27 - Rocket Engine - France - Solid propellant
- MT-135 - Rocket Engine - Japan - Solid propellant
- MT-135 - Sounding rocket - Japan
- MTI - Spacecraft - Surveillance - Military - USA
- MTKVA - Spacecraft - Manned - Spaceplane - Russia
- MTS - Spacecraft - Earth - Micrometeoroid - USA
- MTV Motor - Rocket Engine - USA - N2O/Solid propellant
- Mu - All-solid orbital launch vehicle - Japan
- Muehlner - Joachim Wilhelm Muehlner - German Rocket engineer -
- Muehlstroh - Jupp Muehlstroh - German Test pilot -
- Mueller - George Edwin Mueller - American Manager -
- Mukai - Chiaki Mukai - Japanese Medical Doctor Astronaut -
- Mukhortov - Pavel Pavlovich Mukhortov - Russian Journalist Cosmonaut - Journalist Group - 1990
- Mullane - Richard Michael (Mike) Mullane - American Mission Specialist Astronaut - NASA Group 8 - 1978
- Multi-Directional Propulsion Module - Spacecraft - Manned - Space station module - USA - See MDPB
- Multi-module orbital base - Spacecraft - Manned - Space Station - Russia - See MKBS
- Multiple Access Communications Satellites - Spacecraft - Communications - Military - USA - See MACSAT
- Multiple Docking Adapter - Spacecraft - Manned - Space station module - - See Skylab MDA
- Munin - Spacecraft - Technology - - Sweden
- Munir - Munir Habib Habib - Arab Syrian Pilot Cosmonaut - International Group - 1985
- Munz - Munz - German Engineer -
- Muroc - Orbital Launch Site in USA. - See Edwards
- MURP - Spacecraft - Manned - Spaceplane - USA
- Murray - Arthur 'Kit' Murray - American Pilot Test Pilot - Test Pilot (USAF)
- Musabayev - Talgat Amangeldyevich Musabayev - Kazakhstani Pilot Cosmonaut - Air Force Group 11 Supplemental - 1991
- Musca - Rocket Engine - Australia - Solid propellant
- Muses - Space Project - Planetary - Lunar
- Muses-B - Spacecraft - Astronomy - Radio - Japan - See Haruka
- Muses-C - Spacecraft - Planetary - Asteroid - Japan - See Hayabusa
- Musgrave - Dr Franklin Story Musgrave - American Mission Specialist Astronaut - NASA Group 6 - 1967
- Musson - Spacecraft - Earth - Geodetic - Russia - See Geo-IK
- Mustard - Rocket Engine - UK - Lox/LH2 propellant
- Mustard - Winged orbital launch vehicle - UK
- Musudan - Orbital Launch Site in Korea North.
- Muszaphar - Dr Sheikh Muszaphar Shukor Al Masrie - Malaysian Physician Cosmonaut -
- MUT - Rocket Engine - USA - N2O4/UDMH propellant
- MVKS - Winged orbital launch vehicle - Russia - See VKS
- MX - Intercontinental ballistic missile - USA - See Peacekeeper
- MX-1593 - rocket - See Atlas
- MX-2145 - Spacecraft - Manned - Combat - USA
- MX-324 - Spacecraft - Manned - Rocketplane - USA
- MX-770 - Intermediate range cruise missile - - See Navaho
- MX-771 - Intermediate range cruise missile - USA - See Matador
- MX-774 - Rocket Engine - USA - Lox/Alcohol propellant
- MX-774 - Test vehicle - - See Atlas
- MX-775 - rocket - See Snark
- MX-776 - Air-to-surface missile - USA - See Rascal
- Myasishchev - Vladimir Mikhailovich Myasishchev - Russian Engineer -
- Myers - Dale Dehaven Myers - American Manager -
- Mylar - Spacecraft - Technology - - USA
- Myriade - Spacecraft - Earth - Seasat - France
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Conditions for use of drawings, pictures, or other materials from this site..
To contact astronauts or cosmonauts.
© Mark Wade, 1997 - 2008 except where otherwise noted.
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