U.S. Marines with 2nd Fleet Antiterrorism Security

U.S. Marines with 2nd Fleet Antiterrorism Security Team out of Norfolk, Va., and Australian army soldiers with 5th Battalion, Royal Australian Regiment exchange weapons tactics, techniques, and procedures at Robertson Barracks, Darwin, Australia, Nov. 24, 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.