1SG Charles Biby, the first sergeant of C Troop, 1st Squadron, 4th U.S. Cavalry Regiment, guides an M1A1 Abrams tank at the Conn Barracks railhead in Schweinfurt, Germany, Feb. 28. The tanks are the squadrons last armored vehicles to depart, as the unit transitions from a heavy to a light airborne reconnaissance squadron and joins the 173rd Airborne Brigade. (Photo by SPC Stephen Baack, 1st Infantry Division Public Affairs)

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