James Ewing, 436th Aerial Port Squadron operations manager, explains the crating and shipping requirements of a C-5 aircraft main landing gear wheel and tire assembly to Chief Master Sgt. of the Air Force James Cody Nov. 18, 2014, on Dover Air Force Base, Del. Cody toured the largest aerial port in the Department of Defense and met with numerous aerial port members. (U.S. Air Force photo/Roland Balik)