A History of Short Words

From the New York Times Crossword Puzzle

CPL

Mon, 15 Apr '24
Two-stripe mil. rank
Tue, 19 Mar '24
Low mil. rank
Fri, 4 Aug '23
Rank for TV's Klinger and Radar: Abbr.
Wed, 9 Feb '22
Sgt.'s inferior
Wed, 13 Oct '21
Two-striper in the Army: Abbr.