U.S. Marine Cpl. Samuel G. Potenti drops a mortar round into an M252 81mm mortar system during Talisman Sabre 2011 on Townshend Island, Australia, July 14, 2011.

The exercise demonstrates U.S. and Australian commitment to their military alliance, and enhances stability and security throughout the Asia-Pacific region. Polenti is a squad leader with Weapons Company, 2nd Battalion, 7th Marine Regiment, Battalion Landing Team, 31st Marine Expeditionary Unit.

U.S Marine Corps photo by Lance Cpl. Brennan O'Lowney