GHANA PREP U.S. airmen from the 621st Contingency Response Wing from Mcguire Air Force Base, N.J., and C-17 aircrew members from Charleston Air Force Base, S.C., offload a stair truck at Kotoka International Airport in Accra, Ghana, July 6, 2009. They are among more than 150 U.S. military members providing support for U.S. President Barack Obama's visit to Ghana July 10-11. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 741108-Q-FWS79-462.jpg Photo Gallery