Governmental & Military Abbreviations and Acronyms

1. CCN
   Cloud Condensation Nuclei
2. CCN
   Crisis Control Nursery
3. F/O
   Flying Officer
4. F/O
   Fiber-Optics
5. F/O
   fuel oxidizer
6. FAV
   Fast Attack Vehicle (US)
7. I&R
   Interrogator/Responsor
8. L&E
   left-hand engine
9. MANUFACTURER
   Manufacturing
10. P&O
    Purchase Order
11. P&O
    Pilot Officer
12. P/N
    Promissory Note
13. R&O
    Receive Only
14. R&O
    Repair and Overhaul
15. R&O
    Resisting and Obstructing
16. R&O
    Read Outtmtread Only
17. R-R
    Remove and Replace
18. R-R
    Rest & Recuperation
19. R-R
    Refit and Repair
20. R-R
    Reproducibility and Repeatability

Last updated: May 24, 2020 — Total entries: 74,797