Lance Cpl. Marvin Sanders (left) and Lance Cpl. Nathan Conway, with 1st Battalion, 6th Marine Regiment, 2nd Marine Division, walk along a trail during a land navigation course here, Dec. 3. The Marines honed their land navigational skills, which are necessary for future deployments, using basic instruments such as a map, compass, protractor, and a pen. - Lance Cpl. Marvin Sanders (left) and Lance Cpl. Nathan Conway, with 1st Battalion, 6th Marine Regiment, 2nd Marine Division, walk along a trail during a land navigation course here, Dec. 3. The Marines honed their land navigational skills, which are necessary for future deployments, using basic instruments such as a map, compass, protractor, and a pen.