Boost Up An airman lifts a child up to see an A-10 Thunderbolt II at Clark Air Base, Philippines, April 6, 2019, during Balikatan, an annual U.S.-Philippine exercise. SHARE: Download: Full Size (0.75 MB) Tags: Air Force, Balikatan Credit: Air Force Senior Airman Sadie Colbert VIRIN: 190406-F-MZ237-1242C.JPG Photo Gallery