Kyle Garrick enlisted in the British Army in 2014 and served in the Duke of Lancaster's Regiment before passing selection for the Special Air Services. Garrick rose to the rank of sergeant and traveled around the world hunting terror cells, notably in Bosnia, Afghanistan, and many others. In addition, he was the only one in his Resistance to Interrogation (RTI) class to pass by escaping and avoiding capture
During his service, Garrick was awarded the U.S. Marine Corps Gold Parachute Wings, the Queen's Gallantry Medal, and the General Service Medal for counterterrorism in the Middle East, working with the SAS' American counterparts, the Navy SEALs. His last Middle-Eastern tour was cut short due to political climate change and intolerance for unconventional warfare, and Kyle became part of the Metropolitan Police Service, an SAS domestic counter-terror program to stop terror cells. Due to civilian and collateral damage being in the way, Garrick wanted to return abroad to stop terrorists