A Fire Team from the 136th Security Forces Squadron, Texas Air National Guard, stack up as they prepare to breach a building during Close Quarter Battle tactics training at Naval Air Station Fort Worth Joint Reserve Base, Texas, March 1, 2015. CQB tactics prepare and train SFS Airmen on how to breach, clear and take over buildings occupied by opposing forces.(Air National Guard photos by Tech. Sgt. Tamara Dabney/ released)