Tech. Sgt. Justin Palmer, 300th Airlift Squadron loadmaster from Joint Base Charleston, S.C., answers questions from Jerusalem High School students in the cock-pit of a C-17 Globe Master III during the Youth Development Program's tour of U.S. military aircraft at the 2012 Africa Aerospace and Defense Exposition here, Sept. 21. (U.S. Air Force photo by Staff Sgt. Debbie Lockhart)