Hand Signal California Air National Guard Lt. Col. Robert Swertfager signals he is ready to taxi a F-15C Eagle during exercise Sentry Aloha 17-03 at Joint Base Pearl Harbor-Hickam, Hawaii, March 30, 2017. Swertfager is a pilot assigned to the California Air National Guard’s 194th Fighter Squadron. Air National Guard photo by Senior Master Sgt. Chris Drudge SHARE: Download: Full Size (1.83 MB) Tags: Guard, Air Force, training, Airmen Credit: Senior Master Sgt. Chris Drudge VIRIN: 170330-Z-FF876-072A.JPG Photo Gallery