A-4

noun3

1. •
   Skyhawk single engine attack aircraft.
2. •
   Air material and supply officer.

   • Deployed to a provisional air base squadron as the LG and serving as an A-4 officer... — 2001
3. •
   Material and supply section of an Air Force staff.

   • A-4 or S-4, performs all staff functions pertaining to supply and maintenance. — 1944