A History of Short Words

From the New York Times Crossword Puzzle

RECON

Sat, 30 Dec '23
Source of intelligence
Sat, 4 Feb '23
Scout's task
Mon, 31 Oct '22
Scout's mission, in brief
Tue, 14 Jun '22
Intel mission
Tue, 3 May '22
Intel-gathering mission
Wed, 21 Apr '21
Fact-finding mission, informally