U.S. Navy corpsmen carry a tent that will be used for a shock trauma aid station during Amphibious Landing Exercise 15 here Sept. 30. PHIBLEX is an annual, bilateral training exercise conducted by members of the Armed Forces of the Philippines alongside U.S Marine and Navy forces focused on strengthening the partnership and relationships between the two nations across a range of military operations including disaster relief and complex expeditionary operations. The corpsmen are with Combat Logistics Battalion 31, 31st Marine Expeditionary Unit. - U.S. Navy corpsmen carry a tent that will be used for a shock trauma aid station during Amphibious Landing Exercise 15 here Sept. 30. PHIBLEX is an annual, bilateral training exercise conducted by members of the Armed Forces of the Philippines alongside U.S Marine and Navy forces focused on strengthening the partnership and relationships between the two nations across a range of military operations including disaster relief and complex expeditionary operations. The corpsmen are with Combat Logistics Battalion 31, 31st Marine Expeditionary Unit.