Video by Navy Petty Officer 2nd Class Jeanette Mullinax

Adrenaline boils, fueling first-responder instincts as 10 hospital corpsmen respond to an ambush in the dead of the night. There is little to no visibility in the crude field hospital, and the corpsmen are armed with only their M16s and jungle medical packs. Welcome to the Jungle Warfare Training Center at Camp Gonsalves, Okinawa, Japan. This is where corpsmen learn to save lives in difficult conditions.