Answer: USAF
USAF is a crossword puzzle answer that we have spotted 146 times.
    - It has its academy in Colo. Spr.
 
    - Bomber initials
 
    - Letters on a B-2
 
    - B-1 insignia
 
    - Letters on a B-52
 
    - Flyboy's org.
 
    - Inits. for some pilots
 
    - B-2 letters
 
    - Initials at Colo. Springs
 
    - Insignia on some fighters
 
    - Defense Dept. branch
 
    - Colorado academy grp.
 
    - Flight suit stitching
 
    - Mil. fliers
 
    - Grp. with F-16's
 
    - Org. with an acad. near Colo. Spr.
 
    - Thunderbird grp.
 
    - Org. with an academy near Colo. Springs
 
    - Military letters
 
    - B-52 org.
 
    - Jet set?: Abbr.
 
    - Stealth bomber org.
 
    - B-1 letters
 
    - Falcons' home: Abbr.
 
    - Falcons' grp.
 
    - Colorado Springs monogram
 
    - Jet set? (abbr.)
 
    - Mil. org. since 1947
 
    - Blue Angels org.
 
    - Colorado Springs initials
 
    - Mil. branch since 1947
 
    - Branch of the military (abbr.)
 
    - Colorado Springs inits.
 
    - Flying org.
 
    - Thunderbirds' gp.
 
    - American mil. fliers
 
    - Thunderbirds' org.
 
    - Gp. with F-16s
 
    - Tech. sgt.'s employer
 
    - American military branch: Abbr.
 
    - Serv. branch
 
    - Abbr. on a B-52
 
    - Part of the Defense Dept.
 
    - Its academy is in Colo.
 
    - Letters on some jets
 
    - High-flying org.
 
    - Academy at Colo. Spgs.
 
    - Bomber monogram
 
    - Its academy is in Colo. Spgs.
 
    - Grp. at Langley
 
    - Mil. branch
 
    - Amer. military fliers
 
    - Branch of the service (Abbr.)
 
    - Thunderbirds gp.
 
    - Service branch, briefly
 
    - ICBM launcher
 
    - Wild blue yonder grp.
 
    - Academy in Colorado Springs, Colo.
 
    - High-flying mil. group
 
    - Letters on some planes
 
    - Letters on fighter jets
 
    - Flyboys, for short
 
    - "Wild blue yonder" org.
 
    - Pararescue gp.
 
    - Letters on an F-16
 
    - Thunderbirds org.
 
    - Letters on a jet
 
    - Fliers' mil. branch
 
    - B-52 initials
 
    - Ace's setting: Abbr.
 
    - DoD fliers
 
    - Govt. jet set?
 
    - Flying milit. branch
 
    - "Wild Blue Yonder" mil. group
 
    - Org. with the ad slogan "It's not science fiction. It's what we do every day"
 
    - Defender of skies
 
    - Amer. flying group
 
    - Org. with a Colo. Spgs. academy
 
    - Colorado Springs org.
 
    - Colo. Spgs. grp.
 
    - Flyboys' org.
 
    - Bomber letters
 
    - Defense gp. with pilots
 
    - Mil. wing
 
    - Thunderbirds' grp.
 
    - High branch, for short
 
    - Abbr. on a jet
 
    - Sky-high branch, for short
 
    - Aerial defense
 
    - Separate mil. service since 1947
 
    - Thunderbirds grp.
 
    - American military branch (Abbr.)
 
    - "Fly-Fight-Win" org.
 
    - Colorado Springs Acad.
 
    - Academy in Colorado, briefly
 
    - "wild blue yonder" gp.
 
    - Mil. jet letters
 
    - Service begun in 1947, for short
 
    - American military grp.
 
    - Acad. in Colorado Springs
 
    - Flying military branch (Abbr.)
 
    - Some plane folks (Abbr.)
 
    - Military branch up high, briefly
 
    - "Aim high..." org.
 
    - Recruitment org.
 
    - Armed services grp.
 
    - Military pilots' grp.
 
    - "Wild Blue Yonder" mil. branch
 
    - American mil. branch
 
    - Mil. flying branch
 
    - Milit. branch
 
    - Gp. with the right stuff
 
    - F-15 dispatcher
 
    - Army spin-off of '47
 
    - Military aviators' grp.
 
    - Letters on some fighter jets
 
    - Letters on an American fighter jet
 
    - Whom the Thunderbirds fly for: Abbr.
 
    - Fliers' org.
 
    - High-flying recruiters
 
    - "Aim high ..." military org.
 
    - Top branch of the military?
 
    - "Aim High ... Fly-Fight-Win" military org.
 
    - Its Space Command has HQ in Colorado
 
    - Abbr. on a bomber
 
    - Flying military grp.
 
    - Flight suit letters
 
    - High military org.?
 
    - Separate mil. branch since 1947
 
    - Amer. fliers
 
    - Mil. branch with B-52s
 
    - Pilots' mil. branch
 
    - For whom many NASA pilots flew
 
    - Military pilots' org.
 
    - Military jet initials
 
    - Fighters since the '40s
 
    - Flying military branch: Abbr.
 
    - Service branch with jets: Abbr.
 
    - The Thunderbirds are in it, for short
 
    - Its academy is in CO
 
    - Mil. branch with B-2s
 
    - Letters on an F-22 Raptor
 
    - Sky-high gp.
 
    - Org. featured in "Dr. Strangelove"
 
    - Mil. branch with wings
 
    - Jet pack, for short?