U.S. Marine Corps Lance Cpl. Patrick Maguire, left, a rifleman with the 1st Law Enforcement Battalion, I Marine Expeditionary Force, throws a practice grenade during familiarization training in preparation for exercise Southern Katipo 2013 at the Linton Military Camp in Linton, New Zealand, Nov. 4, 2013. Southern Katipo is a New Zealand-led exercise focusing on amphibious operations in conjunction with several partner nations.