GPS Communications Air Force Staff Sgt. James Abney, 25th Air Support Operations Squadron tactical air control party, demonstrates how to use a GPS communication system designed to attach to body armor at Wheeler Army Airfield, Hawaii, Aug. 4, 2020. SHARE IMAGE: Download Image: Full Size (4.66 MB) Photo By: Air Force Tech. Sgt. Anthony Nelson Jr. VIRIN: 200804-F-RE693-0022C.JPG Photo Gallery