Members of the 321st Special Tactics Squadron fast rope out of a CV-22B Osprey assigned to the 7th Special Operations Squadron March 25, 2015, at RAF Sculthorpe in Norfolk, England. The Special Tactics Air Commandos regularly train on how to infiltrate a potentially hostile area – through Fast Rope Insertion Extraction System or high-altitude, low-opening entries. (U.S. Air Force photo by Tech. Sgt. Stacia Zachary)