The oldest corpsman, at 40 years old, Chief Petty Officer William R. Janic Jr. (left), the independent duty corpsman and a native of Parkersburg, W.Va., and the youngest corpsman at 20 years old, Seamen Cory B. Manka (right), a platoon corpsman and a native of East Hampton, Conn., both with Battalion Landing Team 2nd Battalion, 4th Marines, 31st Marine Expeditionary Unit, cut the Hospital Corps’ birthday cake at the bowling center here, June 19. The birthday, marking 115 years of the Hospital Corps, was celebrated with an appreciation lunch, showing the gratitude that the Marines have for the corpsmen’s role in supporting a Marine infantry unit. The 31st MEU is the only continuously forward-deployed MEU and is the Marine Corps’ force in readiness in the Asia-Pacific region. - The oldest corpsman, at 40 years old, Chief Petty Officer William R. Janic Jr. (left), the independent duty corpsman and a native of Parkersburg, W.Va., and the youngest corpsman at 20 years old, Seamen Cory B. Manka (right), a platoon corpsman and a native of East Hampton, Conn., both with Battalion Landing Team 2nd Battalion, 4th Marines, 31st Marine Expeditionary Unit, cut the Hospital Corps’ birthday cake at the bowling center here, June 19. The birthday, marking 115 years of the Hospital Corps, was celebrated with an appreciation lunch, showing the gratitude that the Marines have for the corpsmen’s role in supporting a Marine infantry unit. The 31st MEU is the only continuously forward-deployed MEU and is the Marine Corps’ force in readiness in the Asia-Pacific region.