Exercise Semper Fast
U.S. Marine Lance Cpl. Kyle Nielson, with 2nd Fleet Anti-Terrorism Security Team out of Norfolk, Va., demonstrates how FAST Marines transition from primary to secondary weapons for Australian Army Soldiers with 5th Battalion, Royal Australian Regiment at Robertson Barracks, Darwin, Australia, Nov. 23, 2011. FAST Marines are attending Exercise Semper Fast 2011, a combined training event hosted by 5th Battalion, Royal Australian Regiment focusing on small arms ranges, direct fire ranges, military operations on urban terrain, and light infantry operations. (U.S. Marine Corps photo by Sgt. Pete Thibodeau). Original public domain image from Flickr