Staff Sgt. Michael Hayes breaches a door as Staff Sgts. Pablo Berchini and Nicholas Fay, members of the 161st Security Forces Squadron, prepare to clear a room inside a shoot-house during training in Phoenix, Jan. 16, 2015. Airmen practiced scenarios ranging from room clearing to entry procedures during a close-quarters exercise as part of their annual training. (Air National Guard photo/Master Sgt. Kelly Deitloff)