Signal Precision Air Force Staff Sgt. Chris J. Park signals the operator of a Tunner 60K aircraft loader/transporter at Joint Base McGuire-Dix-Lakehurst, N.J., March 3, 2018. Park is a KC-10 Extender boom operator assigned to the 76th Air Refueling Squadron, 514th Air Mobility Wing, which is a Reserve unit. The Reserve airmen airlifted 85,000 pounds of humanitarian cargo, which will go to Iraq. Air Force photo by Master Sgt. Mark C. Olsen SHARE IMAGE: Download Image: Full Size (9.08 MB) Tags: training, Northcom, Northern Command, reserve, AIR FORCE, Airmen Photo By: Master Sgt. Mark Olsen VIRIN: 180303-F-AL508-0212C.JPG Photo Gallery