- AJ10-118 - Rocket Engine - USA - Nitric acid/UDMH propellant - See AJ10
- AJ10-196 - Rocket Engine - USA - - See AJ10
- Bell 8048 - Rocket Engine - USA - Nitric acid/UDMH propellant - See Bell 8000
- L-1 - Orbital launch vehicle - (Library of Congress Designation) - See Topol
- L-5.00H - Rocket Engine - USA - Lox/LH2 propellant
- L-5.25H - Rocket Engine - USA - Lox/LH2 propellant
- L-6.55 - Rocket Engine - USA - Lox/Kerosene propellant
- L-7.70 - Rocket Engine - USA - Lox/Kerosene propellant
- L-I - Spacecraft - Manned - Spacecraft Module - - See LLV L-I
- L-II - Spacecraft - Manned - Spacecraft Module - - See LLV L-II
- L1-1960 - Spacecraft - Manned - Lunar Flyby - Russia
- L1-1962 - Spacecraft - Manned - Lunar Flyby - Russia
- L2-1963 - Spacecraft - Planetary - Lunar Rover - Russia
- L2-9K-11K-13K - Spacecraft - Planetary - Lunar Rover - Russia - See L2-1963
- L3 - Spacecraft - Manned - Lunar Base - Russia
- L3 - Spacecraft - Manned - Lunar Lander - Russia - See L3-1963
- L3-1963 - Spacecraft - Manned - Lunar Lander - Russia
- L3M - Spacecraft - Manned - Lunar Base - Russia
- L3M-1970 - Spacecraft - Manned - Lunar Lander - Russia
- L3M-1972 - Spacecraft - Manned - Lunar Lander - Russia
- L4 - Spacecraft - Manned - Lunar Orbiter - Russia - See L4-1963
- L4-1960 - Spacecraft - Manned - Lunar Orbiter - Russia
- L4-1963 - Spacecraft - Manned - Lunar Orbiter - Russia
- L480S - Rocket Engine - Japan - Solid propellant
- L5-1963 - Spacecraft - Manned - Lunar Rover - Russia
- L5-1967 - Spacecraft - Manned - Lunar Lander - Russia
- L500 - Rocket Engine - Japan - Solid propellant
- L6H - Rocket Engine - USA - Lox/LH2 propellant
- L7 - Rocket Engine - Germany - N2O4/MMH propellant
- La-350 - Intercontinental cruise missile - Russia - See Burya
- La-X - Intercontinental cruise missile - Russia (Library of Congress Designation) - See Burya
- Laboratorno-zhiloy modul' - Spacecraft - Manned - Lunar Habitat - Russia - See LZhM
- Laboratory Module - Spacecraft - Manned - Space station module - - See MOL LM
- Laboroatorno-zavodskoy modul' - Spacecraft - Manned - Lunar Habitat - Russia - See LZM
- LACE - Spacecraft - Military - SDI - USA
- LACE/LE-5 - Rocket Engine - Japan - Liquid Air/LH2 propellant
- Lacklen - Robert J Lacklen - American Manager -
- LaComb - Maureen Cecil LaComb - American Manned Spaceflight Engineer Astronaut - DoD Group 2 - 1982
- Lacrosse - Spacecraft - Surveillance - Radarsat - USA
- Lacrosse - Tactical ballistic missile - USA
- Laebe - Laebe - German Rocket engineer -
- LAGEOS - Spacecraft - Earth - Geodetic - USA
- Lagutev - S N Lagutev - Russian Engineer -
- Lambda - All-solid orbital launch vehicle - Japan
- Lammerhirt - Lammerhirt - German Rocket engineer -
- LAMPO - Spacecraft - Military - Target - USA
- Lampton - Dr Michael Logan Lampton - American Payload Specialist Astronaut -
- Lance - Short range ballistic missile - USA
- Lancelin - Suborbital Launch Site in Australia operated by .
- Land - Edwin Land - American Engineer -
- Land-Based Version - rocket - See Terrier
- Landing Module - Spacecraft - Manned - Spacecraft Module - - See Gemini LSRS LM
- Landing Module - Spacecraft - Manned - Spacecraft Module - - See Gemini LSSS LM
- Landsat - Space Project - Earth - Landsat
- Landsat 6 - Spacecraft - Earth - Landsat - USA
- Landsat 7 - Spacecraft - Earth - Landsat - USA
- Lang - Lang - German Rocket engineer -
- Lanphier - Thomas G Lanphier, Jr - American Manager -
- Lantern - Spacecraft - Technology - - Iran - See Mesbah
- Lantern-2 - Spacecraft - Communications - Store-dump - Iran - See Mesbah-2
- Laogang - Suborbital Launch Site in China operated by .
- LAPSTAR - Rocket Engine - Australia - Solid propellant
- Lapwing - Rocket Engine - UK - Solid propellant
- Lapygin - Vladimir Lavrentyevich Lapygin - Russian Engineer -
- Lark - Surface-to-air missile - USA
- LART - Winged orbital launch vehicle - Germany
- Las Palmas - Suborbital Launch Site in Argentina operated by .
- LAser GEOdynamics Satellite - Spacecraft - Earth - Geodetic - USA - See LAGEOS
- LASM - Short range ballistic missile - USA
- Latvia - Latvian space history
- Latvian space history - - See Latvia
- Latysheva - Irina Dmitrievna Latysheva - Russian Scientist Cosmonaut - Academy of Sciences Group 2 - 1980, Female Group - 1980
- Launch Vehicle Third Stage Motor - Rocket Engine - China - Solid propellant - See GF-02
- Laveykin - Aleksandr Ivanovich Laveykin - Russian Engineer Cosmonaut - Energia Engineer Group 5 - 1978
- Lavochkin - Semyon Alekseyevich Lavochkin - Russian Chief Designer -
- Lavochkin - Spacecraft - Materials - - Russia - See Tekos
- Lavrov - L I Lavrov - Russian Engineer -
- Lawrence - Wendy Barrien Lawrence - American Mission Specialist Astronaut - NASA Group 14 - 1992
- Lawrence Robert - Robert Henry Lawrence Jr - African American Pilot Astronaut - USAF MOL Group 3 - 1967
- Lawyer - Richard Earl Lawyer - American Pilot Astronaut - USAF MOL Group 1 - 1965
- Lazarev - Vasili Grigoryevich Lazarev - Russian Physician Cosmonaut - Voskhod Group - 1964
- Lazutkin - Aleksandr Ivanovich Lazutkin - Russian Engineer Cosmonaut - Energia Engineer Group 11 - 1992
- LB-X - Spacecraft - Manned - Spaceplane - USA
- LBSAT - Spacecraft - Technology - Communications - Spain
- LCLV - Launch Vehicle Family
- LCLV - Low cost orbital launch vehicle - USA
- LCS - Spacecraft - Military - Target - USA
- LDEF - Spacecraft - Earth - Micrometeoroid - USA
- LDREX - Spacecraft - Technology - Communications - Japan
- Le Cardonnet - Suborbital Launch Site in France operated by .
- LE-3 - Rocket Engine - Japan - N2O4/Aerozine-50 propellant
- LE-5 - Rocket Engine - Japan - Lox/LH2 propellant
- LE-7 - Rocket Engine - Japan - Lox/LH2 propellant
- LEAP - Spacecraft - Manned - Lunar Flyer - USA
- LEAP - Anti-ballistic missile - USA
- Leasat - Space Project - Communications -
- Leased Satellite - Spacecraft - Communications - - USA - See HS 381
- Leba - Suborbital Launch Site in Poland.
- Lebedev - Valentin Vitalyevich Lebedev - Russian Engineer Cosmonaut - Energia Engineer Group 3 - 1972
- Ledovskiy - Aleksei Ledovskiy - Phantom cosmonaut - Phantom Cosmonaut
- Lee - Mark Charles Lee - American Mission Specialist Astronaut - NASA Group 10 - 1984
- Leestma - David Cornell (Dave) Leestma - American Mission Specialist Astronaut - NASA Group 9 - 1980
- LEH Helmet - Spacecraft - Manned - Space Suits - USA
- Lehrer - Tom Lehrer - American Artist -
- LEK - Spacecraft - Manned - Lunar Lander - Russia
- LEK - Space Project - Manned - Lunar base
- LEK PS - Spacecraft - Manned - Spacecraft Module -
- LEK SA - Spacecraft - Manned - Spacecraft Module -
- LEK VS - Spacecraft - Manned - Spacecraft Module -
- LEM - Spacecraft - Manned - Lunar Lander - USA - See Apollo LM
- LEM-70 - Strategic communications missile - (US Department of Defence Designation) - See Minuteman I
- LeMay - Curtis E LeMay - American Manager -
- Lenoir - Dr William Benjamin (Bill) Lenoir - American Mission Specialist Astronaut - NASA Group 6 - 1967
- Lensch - Lensch - German Engineer -
- LeoLink LK-1 - rocket - See Shavit
- LeoLink LK-2 - rocket - See Shavit
- Leonard - Richard Leonard - American Engineer -
- Leonov - Aleksei Arkhipovich Leonov - Russian Pilot Cosmonaut - Air Force Group 1 - 1960
- Leontenkov - Aleksandr Aleksandrovich Leontenkov - Russian Engineer -
- Lertes - Lertes - German Manager -
- LES - Spacecraft - Technology - Communications - USA
- Leshchenko - Sergei Mikhailovich Leshchenko - Russian Government Official -
- Leslie - Dr Fred Weldon Leslie - American Payload Specialist Astronaut -
- Letunov - Yuri Aleksandrovich Letunov - Russian Journalist Cosmonaut - Journalist Group - 1965
- Leuhrsen - Hannes Gunther Leuhrsen - German Rocket engineer -
- Leust - Reimar Leust - German Manager -
- LEV - Spacecraft - Manned - Lunar Lander - USA
- Levchenko - Anatoli Semyonovich Levchenko - Ukrainian Pilot Cosmonaut - Buran Group - 1978, MAP Group 1 - 1981
- Leverton - Irene Leverton - American Pilot Astronaut - Mercury 13 - 1961
- Levin - Grigoriy Isaakovich Levin - Russian Military Officer -
- Lewis - Fred Parker Lewis Jr - American Payload Specialist Astronaut -
- Lewis - Spacecraft - Earth - Landsat - USA
- Lex - Sounding rocket - France
- Ley - Willy Ley - German American Writer -
- LF2/Ammonia - Rocket engine propellants and the engines that use them.
- LF2/Hydrazine - Rocket engine propellants and the engines that use them.
- LF2/Kerosene - Rocket engine propellants and the engines that use them.
- LF2/LH2 - Rocket engine propellants and the engines that use them.
- LF2/LLi - Rocket engine propellants and the engines that use them.
- LF2/UDMH - Rocket engine propellants and the engines that use them.
- LFV Bell - Spacecraft - Manned - Lunar Flyer - USA
- LGIT - Rocket Engine - USA -
- LGM-118A - Intercontinental ballistic missile - USA (US Department of Defence Designation) - See Peacekeeper
- LGM-134 - Intercontinental ballistic missile - USA (US Department of Defence Designation) - See SICBM
- LGM-25A - Intercontinental ballistic missile - (US Department of Defence Designation) - See Titan
- LGM-25C - Intercontinental ballistic missile - (US Department of Defence Designation) - See Titan
- LGM-30A - - (US Department of Defence Designation) - See Minuteman 1
- LGM-30A - Intercontinental ballistic missile - USA (US Department of Defence Designation) - See Minuteman
- LGM-30B - - (US Department of Defence Designation) - See Minuteman 1
- LGM-30C - - (US Department of Defence Designation) - See Minuteman 1
- LGM-30F - Intercontinental ballistic missile - USA (US Department of Defence Designation) - See Minuteman
- LGM-30G - Intercontinental ballistic missile - USA (US Department of Defence Designation) - See Minuteman
- LH2-80k - Rocket Engine - USA - Lox/LH2 propellant
- Li Qinglong - Li Qinglong - Chinese Pilot Yuhangyuan - China Group - 1996, China Group 1 - 1998
- Li Shichang - Li Shichang - Chinese Pilot Yuhangyuan - Shuguang Group - 1970
- Li Xun - Li Xun - Chinese Engineer -
- Liberator - Spacecraft - Manned - Spacecraft - USA
- Liberty - Rocket Engine - USA - Lox/Kerosene propellant
- Liberty - Low cost orbital launch vehicle - USA
- Liberty-1 - Rocket Engine - USA - Lox/Kerosene propellant
- Liberty-2 - Rocket Engine - USA - N2O4/MMH propellant
- Libra - Spacecraft - SIGINT - Naval reconnaisance - USA - See NOSS-3
- Libya - Libyan space history
- Libyan space history - - See Libya
- Lichtenberg - Dr Byron Kurt Lichtenberg - American Payload Specialist Astronaut -
- Lida - ICBM Base in Belarus operated by Russia.
- Lidorenko - Nikolai Stepanovich Lidorenko - Russian Engineer -
- Liem - Bui Thanh Liem - Vietnamese Pilot Cosmonaut - Intercosmos Group - 1979
- Liesegang - Liesegang - German Rocket technician -
- Lifting Body Escape Concept - Spacecraft - Manned - Bailout - USA - See Northrop LBEC
- Likhushin - Valentin Yakovlevich Likhushin - Russian Engineer -
- Lilliput - Rocket Engine - USSR - Lox/Kerosene propellant - See KS-50
- Lilly - Howard Clifton "Tick" Lilly - American Pilot Test Pilot - Test Pilot (NASA)
- LIM-100 - Anti-ballistic missile - USA
- LIM-100 - Anti-ballistic missile - USA (US Department of Defence Designation)
- LIM-49A - Anti-ballistic missile - USA (US Department of Defence Designation) - See Spartan
- LIM-99 - Anti-ballistic missile - USA
- LIM-99 - Anti-ballistic missile - USA (US Department of Defence Designation)
- Lincoln Experimental Satellite - Spacecraft - Technology - Communications - USA - See LES
- Lind - Dr Don Leslie Lind - American Mission Specialist Astronaut - NASA Group 5 - 1966
- Lindbergh - Charles A Lindbergh - American Manager -
- Lindenberg - Hans Lindenberg - German Rocket technician -
- Lindenmayer - Hans Josef Lindenmayer - German Rocket engineer -
- Lindner - Kurt A Lindner - German Rocket engineer -
- Lindsey - Steven Wayne Lindsey - American Pilot Astronaut - NASA Group 15 - 1995
- Linenger - Dr Jerry Michael Linenger - American Mission Specialist Astronaut - NASA Group 14 - 1992
- Ling - Donald P Ling - American Engineer -
- Linnehan - Dr Richard Michael Linnehan - American Mission Specialist Astronaut - NASA Group 14 - 1992
- Linteris - Dr Gregory Thomas Linteris - American Payload Specialist Astronaut -
- Lipp - James E Lipp - American Engineer -
- Lippisch - Alexander Martin Lippisch - German Professor -
- LIPS - Spacecraft - Technology - Tether - USA
- Liquid Air/LH2 - Rocket engine propellants and the engines that use them.
- Lira - Spacecraft - Military - ASAT Target - Ukraine - See DS-P1-M
- Lira - Spacecraft - Military - ASAT Target - Russia - See Tyulpan
- Lisun - Mikhail Ivanovich Lisun - Ukrainian Engineer Cosmonaut - Air Force Group 3 - 1965
- Little Joe 5A - Manned spaceflight - Mercury program (Cancelled flight)
- Litton Suit - 1958 - Spacecraft - Manned - Space Suits - USA - See Mark I ELSS
- Litvinov - Valentin Yakovlevich Litvinov - Russian Government Official -
- Liu Buoming - Liu Buoming - Chinese Pilot Yuhangyuan - China Group 1 - 1998
- Liu Chongfu - Liu Chongfu - Chinese Pilot Yuhangyuan - Shuguang Group - 1970
- Liu Wang - Liu Wang - Chinese Pilot Yuhangyuan - China Group 1 - 1998
- Liu Zhongyi - Liu Zhongyi - Chinese Pilot Yuhangyuan - Shuguang Group - 1970
- Livermore Light Gas Gun - Test vehicle - USA - See SHARP
- LK - Spacecraft - Manned - Lunar Lander - Russia
- LK Energia - Spacecraft - Manned - Lunar Lander - Russia
- LK-1 - Spacecraft - Manned - Lunar Flyby - Russia
- LK-1 - Rocket Engine - Israel - Solid propellant
- LK-1 PAO - Spacecraft - Manned - Spacecraft Module -
- LK-1 VA - Spacecraft - Manned - Spacecraft Module -
- LK-3 - Spacecraft - Manned - Lunar Lander - Russia
- LK-700 - Spacecraft - Manned - Lunar Lander - Russia
- LK-700 VA - Spacecraft - Manned - Spacecraft Module -
- LKA - Spacecraft - Manned - Spaceplane - Russia - See Spiral OS
- LKS - Spacecraft - Manned - Spaceplane - Russia
- LL - Spacecraft - Manned - Rocketplane - Russia
- Llewellyn - Dr John Anthony (Tony) Llewellyn - American Pilot Astronaut - NASA Group 6 - 1967
- LLV - Spacecraft - Manned - Lunar Logistics - USA
- LLV - All-solid orbital launch vehicle - - See Athena
- LLV 2 - All-solid orbital launch vehicle - - See Athena
- LLV 3 - All-solid orbital launch vehicle - - See Athena
- LLV L-I - Spacecraft - Manned - Spacecraft Module -
- LLV L-II - Spacecraft - Manned - Spacecraft Module -
- LM 700 - Spacecraft - Communications - - USA
- LM Adapter Surface Station - Spacecraft - Manned - Lunar Habitat - USA - See Apollo LASS
- LM Lab - Spacecraft - Manned - Space Station - USA - See Apollo LM Lab
- LM Taxi - Spacecraft - Manned - Lunar Lander - USA - See Apollo LM Taxi
- LM Truck - Spacecraft - Manned - Lunar Logistics - USA - See Apollo LM Truck
- LMI - Spacecraft - Communications - - Russia
- LMLV - All-solid orbital launch vehicle - - See Athena
- LMLV 2 - All-solid orbital launch vehicle - - See Athena
- LMLV 3 - All-solid orbital launch vehicle - - See Athena
- LO - Spacecraft - Manned - Space Station - Russia
- LoADS - Anti-ballistic missile - USA
- Lobanov - Nikolai Aleksandrovich Lobanov - Russian Engineer -
- Lobber - Surface-to-surface missile - USA
- Lobedinskiy - Andrei Vladimirovich Lobedinskiy - Russian Scientist -
- Lobster - Rocket Engine - UK - Solid propellant
- Local Scientific Survey Module - Spacecraft - Manned - Lunar Rover - USA - See LSSM
- Lockhart - Paul Scott Lockhart - American Pilot Astronaut - NASA Group 16 - 1996
- Loertsch - Lurtsch - German Rocket engineer -
- Lofti - Spacecraft - Technology - Communications - USA
- Lofti 2 - Spacecraft - Earth - Magnetosphere - USA
- Logachev - Anatoli Grigoryevich Logachev - Russian Military Officer -
- LOK Energia - Spacecraft - Manned - Lunar Orbiter - Russia
- LOK PAO - Spacecraft - Manned - Spacecraft Module -
- LOK, T1K - Spacecraft - Manned - Lunar Orbiter - Russia - See Soyuz 7K-LOK
- Loki - Rocket Engine - USA - Solid propellant
- Loki - Sounding rocket - USA
- Loktionov - Yuri Alekseyevich Loktionov - Russian Scientist Cosmonaut - Space Tourist Group - 2000
- Lonchakov - Yuri Valentinivich Lonchakov - Russian Pilot Cosmonaut - Air Force Group 12 - 1997
- Long Duration Exposure Facility - Spacecraft - Earth - Micrometeoroid - USA - See LDEF
- Long March 1 - Orbital launch vehicle - China - See CZ-1
- Long March 1C - - - See CZ-1
- Long March 1D - - - See CZ-1
- Long March 1M - - - See CZ-1
- Long March 2A - - - See CZ
- Long March 2C - - - See CZ
- Long March 2D - - - See CZ
- Long March 2E - - - See CZ
- Long March 2E(A) - - - See CZ
- Long March 2F - - - See CZ
- Long March 3 - - - See CZ
- Long March 3A - - - See CZ
- Long March 3B - - - See CZ
- Long March 3B(E) - - - See CZ
- Long March 3C - - - See CZ
- Long March 4A - - - See CZ
- Long March 4B - - - See CZ
- Long March 4C - - - See CZ
- Long March Next Generation Launch Vehicle Type A - - - See CZ-NGLV
- Long March Next Generation Launch Vehicle Type B - - - See CZ-NGLV
- Long March Next Generation Launch Vehicle Type C - - - See CZ-NGLV
- Long March Next Generation Launch Vehicle Type D - - - See CZ-NGLV
- Long March Next Generation Launch Vehicle Type E - - - See CZ-NGLV
- Long March Next Generation Launch Vehicle Type F - - - See CZ-NGLV
- Long March Next Generation Light Launch Vehicle - - - See CZ-NGLV
- Long Tank Augmented Thrust Thor - - - See Delta
- Long Tank Thor - - - See Delta
- Longhurst - Peter Hervey Longhurst - British Payload Specialist Astronaut -
- Loon - Short range cruise missile - USA
- Lopez-Alegria - Michael Eladio 'LA' Lopez-Alegria - American Mission Specialist Astronaut - NASA Group 14 - 1992
- Lopez-Falcon - Jose Armando Lopez-Falcon - Cuban Pilot Cosmonaut - Intercosmos Group - 1978
- Lopota - Vitali Aleksandrovich Lopota - Chechen Engineer -
- Lorenzoni - Andrea Lorenzoni - Italian Payload Specialist Astronaut -
- Loria - Christopher Joseph (Gus) Loria - American Pilot Astronaut - NASA Group 16 - 1996
- LORL - Spacecraft - Manned - Space Station - USA
- Losat - Spacecraft - Military - SDI - USA
- Lothaller - Clemens Lothaller - Austrian Engineer Cosmonaut - Austrian Commercial Group - 1989
- LOTRAN - Spacecraft - Manned - Lunar Rover -
- Lounge - John Michael (Mike) Lounge - American Mission Specialist Astronaut - NASA Group 9 - 1980
- Lousma - Jack Robert Lousma - American Pilot Astronaut - NASA Group 5 - 1966
- Louzada - Mozart Marques Louzada - Brazilian Mission Specialist Astronaut -
- Love - Stanley Glen Love - American Mission Specialist Astronaut - NASA Group 17 - 1998
- Love Michael - Michael V Love - American Pilot Test Pilot - Test Pilot (NASA)
- Lovelace - Alan M Lovelace - American Manager -
- Lovell - James Arthur (Jim) Lovell Jr - American Pilot Astronaut - NASA Group 2 - 1962
- Low - George David Low - American Mission Specialist Astronaut - NASA Group 10 - 1984
- Low Cost Cargo Vehicle - Orbital launch vehicle - - See Shuttle
- Low Cost Launch Vehicle - Low cost orbital launch vehicle - USA - See LCLV
- Low George - George M Low - Austrian American Manager -
- Low-power Atmospheric Compensation Experiment - Spacecraft - Military - SDI - USA - See LACE
- Lowell - Percival Lowell - American Scientist -
- Lox/Alcohol - Rocket engine propellants and the engines that use them.
- Lox/Ammonia - Rocket engine propellants and the engines that use them.
- Lox/Hydrazine - Rocket engine propellants and the engines that use them.
- Lox/Hydyne - Rocket engine propellants and the engines that use them.
- Lox/Kerosene - Rocket engine propellants and the engines that use them.
- Lox/LCH4 - Rocket engine propellants and the engines that use them.
- Lox/LH2 - Rocket engine propellants and the engines that use them.
- Lox/LNG - Rocket engine propellants and the engines that use them.
- Lox/Solid - Rocket engine propellants and the engines that use them.
- Lox/UDMH - Rocket engine propellants and the engines that use them.
- LPC A-1 - Rocket Engine - USA - Solid propellant
- LPC-415 - Rocket Engine - USA - Solid propellant
- LR10 - Rocket Engine - USA -
- LR10-RM-1 - Rocket Engine - USA - - See LR10
- LR101 - Rocket Engine - USA - Lox/Kerosene propellant
- LR101 - Rocket Engine - USA - N2O4/MMH propellant
- LR101-11 - Rocket Engine - USA - Lox/Kerosene propellant - See LR101
- LR103 - Rocket Engine - USA -
- LR105 - Rocket Engine - USA - Lox/Kerosene propellant
- LR105-3 - Rocket Engine - USA - Lox/Kerosene propellant - See LR105
- LR105-5 - Rocket Engine - USA - Lox/Kerosene propellant - See LR105
- LR105-7 - Rocket Engine - USA - Lox/Kerosene propellant - See LR105
- LR107 - Rocket Engine - USA -
- LR109 - Rocket Engine - USA -
- LR11 - Rocket Engine - USA - Lox/Alcohol propellant
- LR111 - Rocket Engine - USA -
- LR115 - Rocket Engine - USA - Lox/LH2 propellant - See RL-10
- LR117 - Rocket Engine - USA -
- LR119 - Rocket Engine - USA - Lox/LH2 propellant - See RL-10
- LR12 - Rocket Engine - USA -
- LR121 - Rocket Engine - USA -
- LR123 - Rocket Engine - USA -
- LR125 - Rocket Engine - USA -
- LR127 - Rocket Engine - USA -
- LR129 - Rocket Engine - USA - Lox/LH2 propellant
- LR13 - Rocket Engine - USA - Nitric acid/Amine propellant
- LR132 - Rocket Engine - USA - N2O4/MMH propellant
- LR14 - Rocket Engine - USA -
- LR16 - Rocket Engine - USA -
- LR17 - Rocket Engine - USA - Lox/Gasoline propellant
- LR18 - Rocket Engine - USA -
- LR19 - Rocket Engine - USA - Lox/Gasoline propellant
- LR2 - Rocket Engine - USA -
- LR2-RM-6 - Rocket Engine - USA - Liquid propellant
- LR20 - Rocket Engine - USA - Nitric acid/Gasoline propellant
- LR21 - Rocket Engine - USA - Lox/Gasoline propellant
- LR22 - Rocket Engine - USA -
- LR24 - Rocket Engine - USA - Nitric acid/Gasoline propellant
- LR25 - Rocket Engine - USA - Lox/Alcohol propellant
- LR26 - Rocket Engine - USA -
- LR27 - Rocket Engine - USA -
- LR28 - Rocket Engine - USA -
- LR29 - Rocket Engine - USA -
- LR30 - Rocket Engine - USA - Lox/Ammonia propellant
- LR31 - Rocket Engine - USA -
- LR32 - Rocket Engine - USA -
- LR33 - Rocket Engine - USA -
- LR34 - Rocket Engine - USA -
- LR35 - Rocket Engine - USA -
- LR36 - Rocket Engine - USA -
- LR37 - Rocket Engine - USA - Lox/Gasoline propellant
- LR38 - Rocket Engine - USA -
- LR39 - Rocket Engine - USA - Lox/Alcohol propellant
- LR4 - Rocket Engine - USA -
- LR40 - Rocket Engine - USA - H2O2/Kerosene propellant
- LR41 - Rocket Engine - USA -
- LR42 - Rocket Engine - USA -
- LR43 - Rocket Engine - USA - Lox/Alcohol propellant
- LR44 - Rocket Engine - USA -
- LR45 - Rocket Engine - USA - Nitric acid/Kerosene propellant
- LR46 - Rocket Engine - USA -
- LR47 - Rocket Engine - USA -
- LR48 - Rocket Engine - USA -
- LR49 - Rocket Engine - USA -
- LR50-GE-1 - Rocket Engine - USA - Lox/Kerosene propellant - See X-405
- LR51 - Rocket Engine - USA -
- LR52-AJ-1 - Rocket Engine - USA - Nitric acid/UDMH propellant - See AJ10
- LR53 - Rocket Engine - USA - Nitric acid/Amine propellant
- LR54 - Rocket Engine - USA - H2O2/Kerosene propellant
- LR55 - Rocket Engine - USA -
- LR56 - Rocket Engine - USA -
- LR57 - Rocket Engine - USA -
- LR58 - Rocket Engine - USA -
- LR58-RM-1 - Rocket Engine - USA - - See LR58
- LR59-AJ-1 - Rocket Engine - USA - Nitric acid/UDMH propellant - See 45LR-35000
- LR6 - Rocket Engine - USA -
- LR60 - Rocket Engine - USA -
- LR61 - Rocket Engine - USA -
- LR62 - Rocket Engine - USA -
- LR62-RM-1 - Rocket Engine - USA - - See LR62
- LR63 - Rocket Engine - USA - Nitric acid/UDMH propellant
- LR64 - Rocket Engine - USA - Lox/Kerosene propellant
- LR65 - Rocket Engine - USA -
- LR66-AJ-2 - Rocket Engine - USA - - See AJ10
- LR67 - Rocket Engine - USA -
- LR67-B-1 - Rocket Engine - USA - - See LR67
- LR69 - Rocket Engine - USA -
- LR71 - Rocket Engine - USA - Lox/Alcohol propellant
- LR73 - Rocket Engine - USA -
- LR73-AJ-1 - Rocket Engine - USA - - See LR73
- LR75 - Rocket Engine - USA -
- LR77 - Rocket Engine - USA -
- LR79 - Rocket Engine - USA - Lox/Kerosene propellant
- LR79--NA-7 - Rocket Engine - USA - Lox/Kerosene propellant - See LR79
- LR79-7 - Rocket Engine - USA - Lox/Kerosene propellant - See LR79
- LR8 - Rocket Engine - USA - Lox/Alcohol propellant
- LR8-RM-5 - Rocket Engine - USA - Lox/Alcohol propellant - See LR8
- LR81-B-1 - Rocket Engine - USA - Nitric acid/UDMH propellant - See Bell 8000
- LR83 - Rocket Engine - USA - Lox/Kerosene propellant
- LR85 - Rocket Engine - USA -
- LR87 - Rocket Engine - USA - Lox/Kerosene propellant
- LR87 - Rocket Engine - USA - Lox/LH2 propellant
- LR87 - Rocket Engine - USA - N2O4/Aerozine-50 propellant
- LR87 - Rocket Engine - USA - N2O4/Alumizine propellant
- LR87-11 - Rocket Engine - USA - N2O4/Aerozine-50 propellant - See LR87
- LR87-11 AJ23-138 - Rocket Engine - USA - N2O4/Aerozine-50 propellant - See LR87
- LR87-3 - Rocket Engine - USA - Lox/Kerosene propellant - See LR87
- LR87-5 - Rocket Engine - USA - N2O4/Aerozine-50 propellant - See LR87
- LR87-7 - Rocket Engine - USA - N2O4/Aerozine-50 propellant - See LR87
- LR87-9 - Rocket Engine - USA - N2O4/Aerozine-50 propellant - See LR87
- LR89 - Rocket Engine - USA - Lox/Kerosene propellant
- LR89-5 - Rocket Engine - USA - Lox/Kerosene propellant - See LR89
- LR89-7 - Rocket Engine - USA - Lox/Kerosene propellant - See LR89
- LR91 - Rocket Engine - USA - Lox/Kerosene propellant
- LR91 - Rocket Engine - USA - N2O4/Aerozine-50 propellant
- LR91-11 - Rocket Engine - USA - N2O4/Aerozine-50 propellant - See LR91
- LR91-3 - Rocket Engine - USA - Lox/Kerosene propellant - See LR91
- LR91-5 - Rocket Engine - USA - N2O4/Aerozine-50 propellant - See LR91
- LR91-7 - Rocket Engine - USA - N2O4/Aerozine-50 propellant - See LR91
- LR91-9 - Rocket Engine - USA - N2O4/Aerozine-50 propellant - See LR91
- LR93 - Rocket Engine - USA -
- LR95 - Rocket Engine - USA -
- LR97 - Rocket Engine - USA -
- LR99 - Rocket Engine - USA - Lox/Ammonia propellant
- LRALT - Target rocket - USA
- LRE - Spacecraft - Earth - Geodetic - Japan
- LS 400 - Spacecraft - Communications - - USA - See Globalstar
- LS-A - Test vehicle - - See Lambda
- LS-C - Rocket Engine - Japan - Solid propellant
- LS-C - Test vehicle - - See Lambda
- LSAM - Spacecraft - Manned - Lunar Lander - USA
- LSC-3 - Test vehicle - - See Lambda
- LSSM - Spacecraft - Manned - Lunar Lander - USA - See LSAM
- LSSM - Spacecraft - Manned - Lunar Rover - USA
- LSV - Spacecraft - Manned - Lunar Rover - USA
- LTV - Spacecraft - Tug - - USA - See OTV
- Lu - Dr Edward Tsang Lu - American Mission Specialist Astronaut - NASA Group 15 - 1995
- Lu Xiangxiao - Lu Xiangxiao - Chinese Pilot Yuhangyuan - Shuguang Group - 1970
- Luch - Spacecraft - Communications - Military - Russia
- Lucid - Dr Shannon Matilda Wells Lucid - American Mission Specialist Astronaut - NASA Group 8 - 1978
- Ludmila - Ludmila - Phantom cosmonaut - Phantom Cosmonaut
- Luedecke - Alvin R Luedecke - American Manager -
- Luehrsen - Hannes Luehrsen - German Architect -
- Lukyanyuk - Dr Vasili Yuryevich Lukyanyuk - Russian Physician Cosmonaut - IMBP Group 5 - 1989
- Luna - - (Launch System Designation)
- Luna - Tactical ballistic rocket - Russia
- Luna - Space Project - Planetary - Lunar
- Luna 8K72 - rocket - See Soyuz
- Luna E-1 - Spacecraft - Planetary - Lunar Impact - Russia
- Luna E-1A - Spacecraft - Planetary - Lunar Impact - Russia
- Luna E-3 - Spacecraft - Planetary - Lunar Flyby - Russia
- Luna E-6 - Spacecraft - Planetary - Lunar Lander - Russia
- Luna E-6LF - Spacecraft - Planetary - Lunar Orbiter - Russia
- Luna E-6LS - Spacecraft - Planetary - Lunar Orbiter - Russia
- Luna E-6M - Spacecraft - Planetary - Lunar Lander - Russia
- Luna E-6S - Spacecraft - Planetary - Lunar Orbiter - Russia
- Luna Ye-8 - Spacecraft - Planetary - Lunar Rover - Russia
- Luna Ye-8-5 - Spacecraft - Planetary - Lunar Lander - Russia
- Luna Ye-8-5M - Spacecraft - Planetary - Lunar Lander - Russia
- Luna Ye-8-LS - Spacecraft - Planetary - Lunar Orbiter - Russia
- Luna-M - - (Launch System Designation)
- Luna-M - Tactical ballistic rocket - Russia
- Lunar Application of a Spent S-IVB Stage - Spacecraft - Manned - Lunar Logistics - USA - See Apollo LASS S-IVB
- Lunar Bus - Spacecraft - Manned - Lunar Logistics - USA
- Lunar Escape Ambulance and close orbit Pickup - Spacecraft - Manned - Lunar Flyer - USA - See LEAP
- Lunar Excursion Module - Spacecraft - Manned - Lunar Lander - USA - See Apollo LM
- Lunar Excursion Vehicle - Spacecraft - Manned - Lunar Lander - USA - See LEV
- Lunar Exploration System for Apollo - Spacecraft - Manned - Lunar Habitat - USA - See LESA Shelter
- Lunar Exploration System for Apollo - Spacecraft - Manned - Lunar Base - USA - See LESA Lunar Base
- Lunar Flying Vehicle - Spacecraft - Manned - Lunar Flyer - USA - See LFV Bell
- Lunar L1 - Space Project - Manned - Lunar
- Lunar L3 - Space Project - Manned - Lunar
- Lunar Lander Test Vehicle - Spacecraft - Manned - Lunar Lander Test Vehicle - USA - See Apollo LLRV
- Lunar Landing Research Facility - Spacecraft - Manned - Lunar Lander Test Vehicle - USA - See Apollo LLRF
- Lunar Landing Research Vehicle - Spacecraft - Manned - Lunar Lander Test Vehicle - USA - See Apollo LLRV
- Lunar Landing Vehicle - Spacecraft - Manned - Lunar Logistics - USA - See LLV
- Lunar Logistics Vehicle - Spacecraft - Manned - Lunar Logistics - USA - See LLV
- Lunar Mapping and Survey System - Spacecraft - Manned - Space Station - USA - See Apollo LMSS
- Lunar Module - Spacecraft - Manned - Lunar Lander - USA - See Apollo LM
- Lunar Module Adapter Laboratory - Spacecraft - Manned - Space Station - USA - See Apollo LMAL
- Lunar module Test Article - Spacecraft - Technology - - USA - See Apollo LTA
- Lunar Orbit Insertion Module - Spacecraft - Manned - Spacecraft Module - - See Gemini LSRS LOIM
- Lunar Payload Module - Spacecraft - Manned - Lunar Logistics - USA - See Apollo LPM
- Lunar Reconnaissance Module - Spacecraft - Manned - Lunar Orbiter - USA - See Apollo LRM
- Lunar Roving Vehicle - Spacecraft - Manned - Lunar Rover - USA - See Apollo LRV
- Lunar Sortie Vehicle - Spacecraft - Manned - Lunar Rover - USA - See LSV
- Lunar Surface Access Module - Spacecraft - Manned - Lunar Lander - USA - See LSAM
- Lunar Transfer Vehicle - Spacecraft - Tug - - USA - See OTV
- Lunar Worm - Spacecraft - Manned - Lunar Rover - USA
- Lundin - Bruce T Lundin - American Engineer -
- Lundquist - Gustav E Lundquist - American Pilot Test Pilot - Test Pilot (USAF)
- Lunex - Space Project - -
- Lunney - Glynn S Lunney - American Manager -
- Lunniy ekspeditionniy korabl' - Spacecraft - Manned - Lunar Lander - Russia - See LEK
- Lunniy korabl - Spacecraft - Manned - Lunar Lander - Russia - See LK Energia
- Lunniy orbital'niy korabl' - Spacecraft - Manned - Lunar Orbiter - Russia - See LOK Energia
- Lunokhod - Spacecraft - Planetary - Lunar Rover - Russia - See Luna Ye-8
- Lunokhod - Spacecraft - Planetary - Lunar Rover -
- Lunox - Spacecraft - Manned - Lunar Base - USA
- Lupus - Rocket Engine - Australia - Solid propellant
- Lusser - Robert Lusser - German Rocket engineer -
- Lutin - Tactical ballistic missile - France
- Lutsk - IRBM Base in Ukraine operated by Russia.
- Lutz - Otto Lutz - German Professor -
- LV-3A - - (US Department of Defence Designation) - See Atlas
- LV-3B - - (US Department of Defence Designation) - See Atlas
- LV-3B - rocket - See Atlas
- LV-3C - - (US Department of Defence Designation) - See Atlas
- Lvov - IRBM Base in Ukraine operated by Russia.
- Lyakhov - Vladimir Afanassyevich Lyakhov - Russian Pilot Cosmonaut - Air Force Group 4 - 1967
- Lydon - Malcolm Webb Lydon - American Manned Spaceflight Engineer Astronaut - DoD Group 1 - 1979
- Lynx - Rocket Engine - USA - Solid propellant
- Lysenko - Aleksandr Ivanovich Lysenko - Soviet Pilot Cosmonaut - Buran Group - 1978
- Lyulka - Arkhip Mikhailovich Lyulka - Russian Chief Designer -
- LZhM - Spacecraft - Manned - Lunar Habitat - Russia
- LZM - Spacecraft - Manned - Lunar Habitat - Russia
- P4-1 Booster - Rocket Engine - USA - Lox/Kerosene propellant - See LR64
- P4-1 Sustainer - Rocket Engine - USA - Lox/Kerosene propellant - See LR64
- RL-10A-1 - Rocket Engine - USA - Lox/LH2 propellant - See RL-10
- RL-10A-3 - Rocket Engine - USA - Lox/LH2 propellant - See RL-10
Contact us with any corrections, additions, or comments.
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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