| L1 |
Libration
point 1 (Earth-Moon) |
| L/D |
Lift
/ Drag coefficient |
| LaRC |
Langley
Research Center |
| LCC |
Life
Cycle Cost |
| LED |
Light
Emitting Diode |
| LEO |
Low
Earth Orbit |
| LFCA |
Low
Volume Fraction Colloidial Assemblies Experiment, LMM-4 |
| LF-X |
Logistics
Flight |
| LH2 |
Liquid
Hydrogen |
| LIS |
Lead
Increment Scientist |
| LLO |
Low-Lunar
Orbit |
| LME |
Liquid
Management Experiment |
| LMM |
Light
Microscopy Module |
| LMS |
Lunar
Mission Scenario |
| LO |
Lunar
Orbit |
| LOA |
Letter
of Agreement |
| LOC |
Lunar
Orbit Capture |
| LoCA |
Low
Volume Fraction Collodial Assemblies Experiment, LMM-4 |
| LOE |
Level
of Effort |
| LOM |
Loss
of Mission |
| LOX |
Liquid
OXygen |
| LRIP |
Low-Rate
Initial Production |
| LRR |
Launch
Readiness Review |
| LS |
Lunar
Surface |
| LSAM |
Lunar
Surface Access Module |
| LSH |
Life
Support and Habitation |
| LSP |
Laminar
Soot Processes |
| LSPG |
Life
Support Power Generation System |
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