ZAMBOANGA CITY, Republic of the Philippines – Lance Cpl. Justin S. Hampton fires a Mark-19 40mm Grenade Launcher during a crew/serve live-fire exercise. This training is to maintain proficiency in force protection while deployed to the South Philippine Islands. Hampton is attached to Kilo Company, 3rd Battalion, 3rd Marine, which is part of Joint Special Operations Task Force – Philippines, supporting Operation Enduring Freedom and the U.S. effort to train, assist and advise Philippine forces in their fight to counter terrorism. Credit: Petty Officer 1st Class Edward G. Martens. Collection: US Marine Corps