Show of force
C-17 Globemaster IIIs from the 437th and 315th airlift wings fly in formation Dec. 18 over Charleston, S.C. The C-17s participated in a strategic brigade airdrop exercise involving a 13-ship formation to meet the Army's goal of airdropping a brigade's worth of troops and equipment (about 3,250 Soldiers and 3,450 tons of equipment). The C-17s are from Charleston Air Force Base, S.C. (U.S. Air Force photo/Tech. Sgt. Jeremy Lock)