U.S. Marine Pfc. Jeffrey Brown, left, and Lance Cpl.

U.S. Marine Pfc. Jeffrey Brown, left, and Lance Cpl. Joshua C. Lysic fill sandbags to establish a base camp during exercise Cobra Gold 2013 Feb. 10 at Ban Chan Krem, Kingdom of Thailand. Exercise Cobra Gold is designed to advance regional security and ensure effective response to regional crises by exercising a vigorous multinational force from nations sharing common goals and security commitments in the Asia-Pacific region. Brown and Lysic are both administrative specialists with 1st Battalion, 3rd Marine Regiment, which is attached to 4th Marines, 3rd Marine Division, III Marine Expeditionary Force, as part of the Marine Corps’ unit deployment program. (U.S. Marine Corps photo by Lance Cpl. Adam B. Miller/Released)