A History of Short Words

From the New York Times Crossword Puzzle

GIS

Sun, 6 Aug '23
They're not vets yet
Sun, 18 Jun '23
PX clientele
Sun, 28 May '23
Platoon members, for short
Tue, 6 Dec '22
U.S.O. audience
Mon, 23 Aug '21
Ones with A.P.O. addresses
Sun, 8 Aug '21
W.W. II fighters
Sun, 25 Jul '21
Joe and co., e.g.