NASA Abbreviations and Acronyms

1. INFOCEN
   Information Center
2. INFORM
   Information Management System
3. INITCO
   Initialization and Checkout
4. INL
   Inlet
5. INLT
   Inlet
6. INR
   Inertial Reference
7. INS
   Inertial Navigation System
8. INS
   Information Network System
9. INS
   Integrated Network Services
10. INSAT
    India Communications Satellite
11. INSB
    Indium-antimonide
12. IO
    Industral Operations
13. IO
    Input/Output
14. IOA
    Input/Output Adapter
15. IOA
    Input/output Or Assembly
16. IOB
    Input/output Box
17. IOB
    Input/Output Buffer
18. IOB
    Input/output Buffer (if Bus
19. IOBPS
    Input/Output Box and Peripheral Simulator
20. IOC
    Joint Operations Center

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