Aerospace Engineering Abbreviations and Acronyms

1. LCT
   Launch Countdown
2. LDEC
   Lunar Docking Events Controller
3. LDIU
   Launch Data Interface Unit
4. LDS
   Landing, Deservicing and Safing
5. LDS
   Launch Detection Satellite
6. LEM
   Lunar Excursion Module
7. LEM
   Launch Escape Monitor
8. LEO
   Low Earth Orbit (satellite communications)
9. LES
   Launch Escape Subsystem
10. LES
    Lincoln Experimental Satellite
11. LES
    Launch Equipment Shop
12. LETF
    Launch Equipment Test Facility
13. LEV
    Lunar Excursion Vehicle
14. LF
    Launch Facility
15. LFV
    Lunar Flying Vehicle
16. LGTA
    Landingogear Test Article
17. LL
    Launch and Landing
18. LLO
    Low Lunar Orbit
19. LLP
    Launch and Landing Project
20. LLPO
    Launch and Landing Project Office

Last updated: May 24, 2020 — Total entries: 1,638