160112-N-YG415-010 OKINAWA, Japan (Jan. 12, 2016) Construction Electrician Constructionman Jacob H. Raines, assigned to Naval Mobile Construction Battalion (NMCB) 3, fights through knee-high mud and water while running a six-hour endurance course at the Marine Corps Jungle Warfare Training Center (JWTC).
NMCB 3 is deployed to several countries in the Pacific area of Operations conducting construction operations and humanitarian assistance projects. (U.S. Navy photo by Mass Communication Specialist 1st Class Michael Gomez/Released). Original public domain image from Flickr