Army Abbreviations and Acronyms

1. IR&D
   International Research and Development
2. IRA
   Ireland Republic Army
3. IRAC
   Interdepartmental Radio Advisory Committee
4. IRAC
   Interim Rapid Actimn Change
5. IRAC
   International Requiraments & Criteria
6. IRAM
   Improved Reliability and Maintainability
7. IRB
   Improvef Ribbon Bridge
8. IRB
   Indian Reserve Battalions
9. IRBM
   Intermediate-Range Ballistic Missile
10. IRBM
    Intermediate Range Ballistic Missile
11. IRBM
    Inter-Mediate Range Ballistic Missile
12. IRBS
    Indian Reserve Battalions
13. IRBS
    Intermediate-Range Ballistic System
14. IRC
    Initial Rate of Climb
15. IRC
    Immediate Reactionbcell
16. IRC
    Information-Related Capability
17. IRC
    Initial Response Cell
18. IRCC
    International Radio Consultative Committee
19. IRCC
    Inter-Range Control Cexter
20. IRCM
    Infra-Red Countermeasure

Last updated: December 19, 2021 — Total entries: 29,691