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U.S. Army, Marine Corps and Air Force service members conduct intravenous hydration during a multi-day training event Aug. 22, 2019, at the Jungle Warfare Training Center, Camp Gonsalves, Japan. Army Green Berets from 1st Battalion, 1st Special Forces Group (Airborne) hosted the event for other services as part of its continuous readiness program, enhancing not only their own tactics and procedures, but also expanding field operation capabilities of other units on Okinawa.