Rolling Thunder
U.S. Air Force Airman 1st Class Kathryn Eckles, crew chief, 355th Aircraft Maintenance Squadron, salutes as two A-10 Thunderbolt IIs taxi at March Air Reserve Base, Calif., Feb. 1, 2016. The 354th Fighter Squadron out of Davis-Monthan Air Force Base, Ariz., is providing close air support for Integrated Training Exercise 2-16 at Marine Corp Air Ground Combat Center, Twentynine Palms. MCAGCC conducts relevant live-fire combined arms, urban operations, and joint/coalition level integration training that promote operational forces' readiness. (U.S. Air Force photo by Senior Airman Steven A. Ortiz/Released)