Helo Raid Training Marines conduct scenario based training as part of Marine Expeditionary Unit Exercise in preparation for the 31st MEU's upcoming fall deployment at the Jungle Warfare Training Center in Okinawa, Japan, June 25, 2016. Marine Corps photo by Cpl. Samantha Villarreal SHARE IMAGE: Download Image: Full Size (0.88 MB) Tags: Marines Corps , Exercises, MARINES Photo By: Cpl. Samantha Villarreal VIRIN: 160625-M-TA699-010A.JPG Photo Gallery