English abbreviations from a to a-nm
- a (Atto-)
- A&A ((publication) Astronomy & Astrophysics, a European scientific journal)
- A/C (aircraft commander)
- a/c. (Account)
- A/Cdre (Air Commodore)
- A/CNK (Al2O3/( CaO + Na2O + K2O) ( Shands Index))
- A/D (Analog/Digital)
- A&D (Admission and Disposition (report))
- A/DACG (Arrival/Departure Airfield Control Group)
- A/DCG (Arrival/Departure Control Group)
- A&DSL (Administrative and Direct Support Logistics)
- A&E (Arts & Entertainment Network, the original name for the U.S. TV channel now known as A&E Network)
- A/E (Aircraft Engineering)
- A/ETF (Automated/Electronic Target Folder)
- A/L (Administrative/Logistics)
- A/M (Approach and Moor)
- A&M (Agricultural & Mining)
- A/MLCMC (Aviation/ Missile Life Cycle Management Command)
- A/N (AlphaNumeric)
- A/NM (Administrative/Network Management)