1) Abbreviation on a b-52 2) Abbreviation on a jet 3) Aerial defense 4) Aim high org 5) Air force 6) Air service 7) Airforce 8) Armed services grp 9) Blue Angels org 10) Bomber initials 11) Bomber letters 12) Colorado academy 13) Colorado academy group 14) Colorado academy grp 15) Colorado Springs Acad Found on https://www.crosswordclues.com/clue/usaf