U.S. Air Force pararescuemen from the 306th and 48th Rescue Squadrons rappel from a Colombian Air Force UH-1H Huey II as they respond to a simulated aircraft crash at Air Combat Command number 1, German Olano Air Base, Colombia, during the Colombian-led search and rescue exercise Angel de los Andes Sept. 5, 2018. The two-week Colombian-led exercise has more than 400 participants from 12 nations training together in the air and on the ground in the event of a humanitarian assistance and disaster relief response. (U.S. Air Force photo by Tech. Sgt. Angela Ruiz)