The Story of America's Elite Counterterrorist Unit Eric L. Haney Command Sergeant Major, USA (ret.) They are the U.S. Army's most elite, top-secret strike force. But you won't hear about their heroics on the news, and no oneeven their familiescan know who they are. First Special Forces Operational Detachment-DDelta Force, America's supersecret counterterrorist unit. On paper they do not exist, but without them, our lives wouldn't be the same. From learning to open padlocks with a soda can to rescuing hijacked airplanes, these men are masters of espionage and warfare. They are the anonymous heroes who protect us everyday from the threats we'll never know existed.