Royal Military Abbreviations and Acronyms

  1. IR
    Immediate Reserve
  2. IR&SU
    Immediate Reserve & Support Unit
  3. IRF
    Independent Reconnaissance Flight
  4. ISF
    Internal Security Flight
  5. ITS
    Initial Training School
  6. ITW
    Initial Training Wing
  7. JAPIC
    Joint Air Photographic Interpretation Centre
  8. JARIC
    Joint Air Reconnaissance Intelligence Centre
  9. JASS
    Joint Anti-Submarine School
  10. JATE
    Joint Air Transport Establishment
  11. JCU
    Jet Conversion Unit
  12. JEFTS
    Joint Elementary Flying Training Squadron
  13. JEHU
    Joint Experimental Helicopter Unit
  14. JFACT&SU
    Joint Forward Air Controllers Training & Standards Unit
  15. JGWTU
    Joint Guided Weapons Training Unit
  16. JHDU
    Joint Helicopter Development Unit
  17. JNCO
    Junior Nco
  18. JPTU
    Jet Provost Trials Unit
  19. JSPI
    Joint School of Photographic Interpretation
  20. JSSC
    Joint Services Staff College

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