U.S. Air Force Airman 1st Class Andres Martinez, 823rd Maintenance Squadron HH-60G Pave Hawk crew chief, prepares to launch a HH-60G Pave Hawk from the 66th Rescue Squadron for a mass casualty exercise during Angel Thunder 2015, at Davis-Monthan Air Force Base, Ariz., June 11, 2015. Angel Thunder is the world’s largest personnel recovery exercise, hosting 11 partner nations and nine inter-agencies at Davis-Monthan AFB. Martinez and the 66th RQS are stationed at Nellis AFB, Nev. (U.S. Air Force photo by Senior Airman Betty R. Chevalier/Released)