JATO

Set to 3 different clues across 3 published puzzles, most often “Mil. plane's boosted launch” — The New York Times, Tuesday, 5 June 2007.

4 letters

Every clue on record, most used first

Mil. plane's boosted launchonce
The New York Times — Tuesday, 5 June 2007
Military flier's acronymonce
The New York Times — Sunday, 6 February 2005
Vertical departure, acronymicallyonce
The New York Times — Sunday, 3 December 2000