321st STS Air Commandos in action

U.S. Air Force air commandos assigned to the 321st Special Tactics Squadron on RAF Mildenhall, prepare to tactically enter a building during an exercise March 4, 2015, in Sculthorpe, England. Special Tactics Airmen are highly trained to conduct combat search and rescue in hostile environments. (U.S. Air Force photo by Senior Airman Victoria H. Taylor/Released)