NASA Abbreviations and Acronyms

1. LSTE
   Launch Site Transportation Equipment
2. LSTP
   Local Solar Time At Perigee
3. LSTS
   Launch Site Test Set
4. LSU
   International System of Units
5. LSU
   Life Support Umbilical
6. LSUR
   launch site utilization report
7. LT
   Load Test
8. LT
   Lef T
9. LTA
   Lower Torso Assembly
10. LTA
    Lowertorsoassembly
11. LTD
    Lift-to-drag
12. LTDT
    Langley Transonic Dynamics Tunnel
13. LTG
    Linear Tangent Guidance
14. LTHIS
    Laboratory Test Hardware Inventory Status
15. LTM
    Lead Time Matrix
16. LTMCC
    Large-Throat Main Combustion Chamber
17. LTR
    Laboratory Test Report
18. LTU
    Line Test Unit
19. LTVC
    Linear Terminal Velocity Constraint
20. LTWG
    Launch Test Working Group

Last updated: May 6, 2025 — Total entries: 14,020