Armed Forces Abbreviations and Acronyms

1. ORTU
   Operational and Refresher Training Unit
2. OS
   Operations Security
3. OS
   Observers School
4. OSC
   Officers Senior Course Officers
5. OSC
   Overseas Staff College
6. OSR&AP
   Observers School of Reconnaissance & Aerial Gunnery
7. OTSCU
   Officer Training School Conversion Unit
8. OTU
   Operational and Refresher Training Unit
9. OTW
   Operational Training Wing
10. OUAS
    Oxford University Air Squadron
11. OUAS
    Oxford Universityrsity Air Squadron
12. PACT
    Pre Aircrew Training
13. PAF
    Polish Air Force
14. PCCS
    Protectorate Communication & Support Unit
15. PCIU
    Property Control and Inventory Unit
16. PD
    Packing Depot
17. PDC
    Personnel Despatch Centre
18. PDC
    Port Defence Committee
19. PDRC
    Personnel Dispatch and Reception Centre
20. PDS
    Post Design Services

Last updated: May 24, 2020 — Total entries: 1,471