Members of the 3rd Security Police Squadron and the Army's 25th Infantry Division (Light) stand near an M1038 High-Mobility Multipurpose Wheeled Vehicle (HMMWV) as they prepare to set up an observation post near the base perimeter. U.S. Army troops that were in the Philippines for an exercise have been called upon to augment base security forces as the Filipino government fights to put down a coup attempt by rebel factions within the nation's armed forces