Marines with 2nd Battalion, 2nd Marine Regiment, 2nd Marine Division, filter water from a mountain stream during a hike at the Marine Corps Mountain Warfare Training Center in Bridgeport, Calif. To gain an expeditionary mindset, the Marines and Sailors of 2nd Battalion, 2nd Marines and Ragnarok Co., 2nd Marine Logistics Company, conducted a 10-day field exercise, which consisted of long range day and night foot movement through extremely rugged terrain with drastic elevation changes and tested the Marines’ endurance.