CAST
Senior Master Sgt. Daniel Spain, foreground, air freight superintendant with the 436th Aerial Port Squadron, issues a command to Airman 1st Class Jack Sand, background, cargo processing specialist with the 436th Aerial Port Squadron, during the Combat Airman Skills Training field training exercise Oct. 25, 2012, at Joint Base McGuire-Dix-Lakehurst, N.J. Twenty aerial porters from the 436th APS completed CAST in preparation for a deployment. (U.S. Air Force photo by Airman 1st Class Sam Taylor)