U.S. Marine Corps Sgt. Lucas Enos gives his squad instructions while setting up an ambush during a training exercise in Seisal, Timor-Leste, Oct. 20, 2009.

Members of the 11th Marine Expeditionary Unit trained with their Timor-Leste counterparts during an exercise to promote theater cooperation through civic action projects and military interaction. Enos is a squad leader assigned to Company E, Battalion Landing Team, 2nd Battalion, 4th Marine Regiment.

U.S. Marine Corps photo by Cpl. Preston Reed