Silhouette Survey A Marine observes the impact after the firing of a Mark 19 40 mm grenade launcher at Col. Ernesto Ravina Air Base, Philippines, Oct. 14, 2019, during Kamandag 3, an exercise that aims to enhance military-to-military relationships and multinational coordination. SHARE IMAGE: Download Image: Full Size (0.94 MB) Tags: Training, Marine Corps Photo By: Marine Corps Lance Cpl. Christian Ayers VIRIN: 191015-M-ZF985-1249C.JPG Photo Gallery