A pararescueman repels out of an HH-60G Pave Hawk helicopter, assigned to the 66th Rescue Squadron, during training on Nellis Air Force Base, Nevada, Feb. 22, 2018.
Pararescuemen are highly trained experts who perform rescues in every type of terrain and partake in every part of the mission. From search and rescue and combat support to providing emergency medical treatment, parerescuemen ensure every mission is a successful one. (U.S. Air Force photo by Senior Airman Kevin Tanenbaum) Original public domain image from Flickr