13th Infantry, U.S. Army: Scaling Walls in Retreat, Governors Island
"An interesting drill by the 13th Infantry, U.S.A., showing how the soldiers are trained to climb walls in double-time.""An interesting drill by the 13th Infantry, U.S.A., showing how the soldiers are trained to climb walls in double-time.""An interesting drill by the 13th Infantry, U.S.A., showing how the soldiers are trained to climb walls in double-time."