U.S. Marine Corps Lance Cpl. Tyler Jackson, left, an artilleryman and Lance Cpl. Samuel Villabla-Vela an artilleryman with Battery F, 3rd Battalion, 12th Marine Regiment, 3rd Marine Division, III Marine Expeditionary Force, secure camouflage netting for cover and concealment during Artillery Relocation Training Program 2013, June 12, 2013, Yausubetsu Maneuver Area, Hokkaido, Japan. The regularly scheduled training promotes regional stability and security and ensures units stationed on Okinawa can uphold the defense of Japan under the Treaty of Mutual Cooperation and Security. (U.S. Marine Corps photo by Lance Cpl. Caleb Hoover III MEF Combat Camera/Released)