U.S. Air Force Staff Sgt. Dermayne Bullock (right), an E-8C joint surveillance target attack radar system crew chief with the 5th Expeditionary Airborne Command and Control Squadron, demonstrates proper aircraft lubrication for Airman 1st Class Zayne Day (left), a fuels systems technician also with the 5 EACCS, on Kadena Air Base, Japan, Sept. 24, 2020. The Joint STARS is an advanced ground surveillance and battle management system on the E-8C aircraft that is pertinent to supporting a free and open Indo-Pacific. (U.S. Air Force photo by Airman 1st Class Rebeckah Medeiros)