Soldiers from the Philippine Marines and US Marines take part in a mock assault of an island in Palawan, the Philippines on April 25, 2012. A mock amphibious raid is exercised by Philippine and US soldiers at Ulugan Bay Wednesday, as a part of the annual joint military exercise between the Philippines and the United States for 2012, starting on April 16. (Xinhua/Rouelle Umali)
Soldiers from the Philippine Marines and US Marines take part in a mock assault of an island in Palawan, the Philippines on April 25, 2012. A mock amphibious raid is exercised by Philippine and US soldiers at Ulugan Bay Wednesday, as a part of the annual joint military exercise between the Philippines and the United States for 2012, starting on April 16. (Xinhua/Rouelle Umali)
Soldiers from the US Marines take part in a mock assault of an island in Palawan, the Philippines on April 25, 2012. A mock amphibious raid is exercised by Philippine and US soldiers at Ulugan Bay Wednesday, as a part of the annual joint military exercise between the Philippines and the United States for 2012, starting on April 16. (Xinhua/Rouelle Umali)
Soldiers from the US Marines take part in a mock assault of an island in Palawan, the Philippines on April 25, 2012. A mock amphibious raid is exercised by Philippine and US soldiers at Ulugan Bay Wednesday, as a part of the annual joint military exercise between the Philippines and the United States for 2012, starting on April 16. (Xinhua/Rouelle Umali)
Soldiers from the US Marines take part in a mock assault of an island in Palawan, the Philippines on April 25, 2012. A mock amphibious raid is exercised by Philippine and US soldiers at Ulugan Bay Wednesday, as a part of the annual joint military exercise between the Philippines and the United States for 2012, starting on April 16. (Xinhua/Rouelle Umali)
Soldiers from the Philippine Marines and US Marines take part in a mock assault of an island in Palawan, the Philippines on April 25, 2012. A mock amphibious raid is exercised by Philippine and US soldiers at Ulugan Bay Wednesday, as a part of the annual joint military exercise between the Philippines and the United States for 2012, starting on April 16. (Xinhua/Rouelle Umali)