U.S. Air Force Master Sgt. Edward Bellus, 55th Helicopter Maintenance Unit, talks to Chilean Air Force Maj. Javier Del Rio and Lt. Erwin Caro, about helicopter engine maintenance during an H-60 Subject Matter Exchange at Davis-Monthan Air Force Base, Ariz., Aug. 8, 2019. During this SMEE, the Chilean MH-60 pilots flew aboard an HH-60G Pave Hawk for an orientation flight, toured the 55th RQS and maintenance facilities. (U.S. Air Force photo by Tech. Sgt. Angela Ruiz)