Army Staff Sgt. Tomasz Bartoszyn, 1st Battlion, 4th Infantry Regiment, and Sgt. Maj. Fabian Zalewa, U.S. Army Europe's Joint Multinational Training Command, examine the engine block of a Cold War-era tank during a tour of the Polish Land Force's museum in Poznan, Poland, Dec. 9, 2011. Earlier in the day, Bartoszyn became the first U.S. Soldier to graduate from the Polish Land Forces NCO Academy.