U.S. Air Force Capt. Matthew Keough, 55th Rescue Squadron weapons officer, conducts a Night Vison Goggles refresher class for U.S. Air Force personnel and as an information exchange with Chilean Air Force H-60 pilots during an H-60 Subject Matter Exchange at Davis-Monthan Air Force Base, Ariz., Aug. 7, 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)