NASA Abbreviations and Acronyms

1. CSS
   Core Segment Simulator
2. CSS
   Center Support Structure
3. CSS
   Coarse Sun Sensor
4. CSU
   central switching unit
5. ESV
   Emergency Shutoff Valve
6. ESW
   Engine Status Word
7. IAT
   Integrated Avionics Test
8. IAW
   In Accordance With
9. ICP
   Ics Control Program
10. ICS
    Integration Control Sequencer
11. ICS
    Interpretive Computer Simulation
12. ICS
    Instrumentation And Communications Subsystem
13. ISO
    International Organization for Standardization
14. ISO
    Infrared Space Observatory
15. ISO
    Information Systems Office
16. ISO
    International Standardization Organization
17. ISO
    International Standardization Organizations
18. LAS
    Low-Altitude Sensor
19. LAS
    Lab. Astrophs. Spatial
20. LAT
    Large Angle Torque

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