Senior Airman Norman Mosby-Hauer holds a belt containing rounds of 7.62mm ammunition for an M-240B medium machine gun being fired by Airman 1st Class William Young March 9, 2017, at Range 7 on Joint Base McGuire-Dix-Lakehurst, N.J. Both Mosby-Hauer and Young are response force members assigned to 436th Security Forces Squadron, Dover Air Force Base, Del., who traveled to JB MDL to fire the M-240B for quarterly training. (U.S. Air Force photo by Roland Balik)