U.S. Marine Corps photo by Sgt. Robert Knapp/Released 130520-M-RU248-003.JPG
Mar 9, 2018
Gunnery Sgt. Aaron Calderon, drill master, Marine Barracks Washington, critiques the marching elements of MBW to hone and sharpen their drill sequences as they conduct Phase I and Phase II drill practice on the parade deck at Marine Barracks Washington D.C., Mar. 9, 2018. The Marines execute these iterations three days a week in preparation for the upcoming 2018 Parade Season. (Official Marine Corps photo by Pfc. James Bourgeois/Released)
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