USAF
4 letters
Historical clue formulations
- Org. focused on cloud security? — 2026-08-13
- Falcons' grp. — 2026-06-25
- Jet pack, for short? — 2024-07-13
- Org. featured in "Dr. Strangelove" — 2023-02-04
- Letters on an F-22 Raptor — 2021-07-18
- The Thunderbirds are in it, for short — 2020-08-12
- Bomber letters — 2020-03-05
- Mil. branch with B-52s — 2019-01-28
- Service begun in 1947, for short — 2015-06-20
- Letters on a B-52 — 2013-04-04
- Abbr. on a B-52 — 2011-11-27
- Org. with the ad slogan "It's not science fiction. It's what we do every day" — 2011-09-08
- Ace's setting: Abbr. — 2011-02-26
- Thunderbirds' org. — 2010-08-29
- Falcons' home: Abbr. — 2008-12-06
- Falcons' grp. — 2008-03-21
- Stealth bomber org. — 2007-10-30
- B-1 letters — 2007-09-12
- Thunderbirds' org. — 2007-05-31
- B-52 org. — 2007-04-04
- Jet set?: Abbr. — 2007-02-20
- Military letters — 2006-10-29
- Thunderbird grp. — 2006-07-07
- Org. with an academy near Colo. Springs — 2006-05-22
- Org. with an acad. near Colo. Spr. — 2006-01-22
- Grp. with F-16's — 2005-09-05
- Mil. fliers — 2005-01-23
- Colorado academy grp. — 2004-12-25
- Defense Dept. branch — 2004-04-11
- Insignia on some fighters — 2003-09-07
- Initials at Colo. Springs — 2003-03-20
- B-2 letters — 2002-02-27
- Inits. for some pilots — 2001-09-30
- Letters on a B-52 — 2000-12-26
- Flyboy's org. — 2000-11-05
- Letters on a B-2 — 1999-08-26
- B-1 insignia — 1999-02-23
- It has its academy in Colo. Spr. — 1997-12-08
- Bomber initials — 1997-02-02
- Bomber letters — 1996-08-25
- Fliers' mil. branch — 1996-02-14
- F-111 fliers: Abbr. — 1995-11-09
- Colorado Springs inits. — 1995-09-25
- Fliers' org. — 1994-06-19
- Colo. acad. — 1994-03-15
