A-5

See also: a5, a⁵, and A5

English

Noun

A-5 (plural A-5s)

1. (military) The planning section of an Air Force staff.
   • 1948, Report of the Secretary of the Air Force to the Secretary of Defense for the fiscal year 1948:

     ...plans and civil aviation divisions were established on the staff division level as A-5.

2. (military) Vigilante supersonic attack aircraft.