Marines participate in physical training, play football and answer questions with future Marine poolees March 23 at Agana soccer field during Exercise Guahan Shield. Guahan Shield is an exercise designed to facilitate multiservice engagement and provide potential rapid response to theater crises and contingency operations in the Asia-Pacific region. The Marines are part of Combat Logistics Detachment 39, 3rd Marine Logistics Group, III Marine Expeditionary Force. The poolees are from Okinawa, Japan, Saipan and Guam. (U.S. Marine Corps photos by Lance Cpl Jeraco Jenkins/Released)