Australian Army Cpl. Phillip Trease with 5th Battalion,

Australian Army Cpl. Phillip Trease with 5th Battalion, Royal Australian Regiment, gives a class on Australian military weapons systems to U.S. Marines with 2nd Fleet Anti-terrorism Security Team out of Norfolk, Va., on Robertson Barracks, Darwin, Australia, Nov. 21, 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.