U.S. Marines with 7th Engineer Support Battalion (ESB),

U.S. Marines with 7th Engineer Support Battalion (ESB), 1st Marine Logistics Group, participate in a familiarization hike up mountain leaders loop during Mountain Training Exercise 2-17, Marine Corps Mountain Warfare Training Center (MCMWTC) Bridgeport, Calif., Feb. 22, 2017. MCMWTC is one of the Marine Corps’ most secluded posts, comprised of approximately 46,000 acres of terrain with elevations ranging from 5,000 to 11,000 feet. 1st Combat Engineer Battalion (CEB) conducted scenario-driven training that encompassed mobility, counter-mobility and survivability operations in a mountainous, snow-covered environment that challenged 1st CEB to generate combat engineering solutions to infantry driven tasks. (U.S. Marine Corps photo by Lance Cpl. Austin Mealy)