A-3

noun3

1. •
   Air operations and training officer.

   • Col. Cecil E. Combs (A-3) Combat Operations — 1986
2. •
   Operations and training section of an Air Force staff.

   • At the policy level, the functions of planning and establishing policies were lodged in A-1 (Personnel), (A-2) Intelligence, (A-3) Training... — 1989
3. •
   Sky warrior twin engine all weather attack aircraft.