English: The 91st Missile Security Forces Squadron conducts night operational and tactical training to provide constant security and control for the assets of the 91st Missile Wing at Minot Air Force Base, N.D., Aug. 15, 2012. The 91st MSFS ensures their members are trained, organized and equipped to secure 150 Minuteman III missiles and launch facilities and 15 missile alert facilities geographically separated throughout 8,500 square miles of the missile complex 24 hours a day. The training consisted of night time security support, including anti-terrorism, physical security measures and response forces.