Colonel Phil Sambrook is a US Army officer who has seen extensive service/combat in both the infantry and in several special operations forces units and commands including the 1st Special Forces Detachment-Delta. Colonel Kurt Richter is a Canadian Army officer who has also seen extensive special operations forces service including extensive tours with US Army Special Forces, the British Special Air Service Regiment and the Canadian Joint Task Force 2. With a bond formed on the icy slopes of Takur Gar during the early days of Operation Enduring Freedom they become allies in the War on Terrorism.