A Philippine Marine learns fast roping under the supervision of U.S. Marines with 2nd Battalion, 3rd Marines during Air Assault Support Exercise 2015-2 at Basa Air Base in Pampanga, Philippines, July 15, 2015. The exercise is a bilateral training event focused on strengthening the alliance between the Philippines and the U.S. The Philippine Marines are with Marine Battalion Landing Team 1, 1st Battalion, Philippine Marine Corps. - A Philippine Marine learns fast roping under the supervision of U.S. Marines with 2nd Battalion, 3rd Marines during Air Assault Support Exercise 2015-2 at Basa Air Base in Pampanga, Philippines, July 15, 2015. The exercise is a bilateral training event focused on strengthening the alliance between the Philippines and the U.S. The Philippine Marines are with Marine Battalion Landing Team 1, 1st Battalion, Philippine Marine Corps.