Attack armored vehicles and backup equipment for Battalion 1 of the 21st Infantry Regiment Gimlets of Striker Brigade 2 under the 25th Infantry Division of the U.S. Army are unloaded at the U.S. Forces Koreas eighth pier in Busan Tuesday. The vehicles will be transported to a site near the North Korean border for a firing exercise as part of the annual South Korea-U.S. drill Foal Eagle.