A US Marine crawls over a stone wall during the jungle endurance course at the Jungle Warfare Training Center at Camp Gonsalves June 20, 2014 in Okinawa, Japan.

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A US Marine crawls over a stone wall during the jungle endurance course at the Jungle Warfare Training Center at Camp Gonsalves June 20, 2014 in Okinawa, Japan.

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Size: 5150px × 3432px
Location: Okinawa, Japan
Photo credit: © US Marines Photo / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: american, asia, combat, day, dirty, endurance, exercise, horizontal, hot, humid, infantry, japan, jungle, marine, marines, men, military, mud, nasty, okinawa, outdoors, pit, soldier, soldiers, training, usa, usmc, wall, warfare, wet