Army & Military Abbreviations and Acronyms

1. IN
   Director of Intelligence
2. INC
   Inclination
3. INCEN
   Incendiary
4. INCL
   Inclination
5. INCND
   Incendiary
6. INSAS
   Indian Small Arms System
7. INSB
   Indium-antimonide
8. INSEC
   Internal Security
9. IO
   Input/Output
10. IOC
    Initial Operational Capability
11. IOF
    Indian Ordnance Factory
12. IOP
    Initial Operational Capability
13. IPB
    Intelligence Preparation of the Battlefield
14. IPF
    Initial Production Facility
15. IPO
    International Programme Office
16. IPPD
    Integrated Product Process Development
17. IPS
    Infrared
18. IR
    Infrared
19. IRBM
    Intermediate-Range Ballistic Missile
20. IRU
    Inertial Reference Unit

Last updated: May 24, 2020 — Total entries: 5,570