HQS
Set to 7 different clues across 9 published puzzles, most often “Mil. command centers” — The New York Times, Monday, 21 February 2011.
3 letters
Every clue on record, most used first
- Mil. command centers2 times
The New York Times — Monday, 21 February 2011
- Command ctrs.2 times
The New York Times — Friday, 7 January 2011
- Command centers: Abbr.once
The New York Times — Thursday, 12 June 2008
- Mil. command basesonce
The New York Times — Monday, 13 August 2007
- Administration ctrs.once
The New York Times — Saturday, 16 June 2007
- C.O.'s hangoutsonce
The New York Times — Sunday, 9 November 2003
- Command posts: Abbr.once
The New York Times — Wednesday, 13 December 2000