Air Force Senior Airman Vince Tsang checks the rear view mirror of a K-loader while in mission oriented protective posture level two gear during a KC-10 Extender cargo loading exercise at Joint Base McGuire-Dix-Lakehurst, N.J., Dec. 3, 2017. Tsang is an Aerial Porter assigned to the 88th Aerial Port Squadron, 514th Air Mobility Wing. Air Force photo by Master Sgt. Mark C. Olsen