Recruits of Company D hike the hills of Edson Range, Marine Corps Base Camp Pendleton, Calif. while they work on their land navigation skills May 16. During field week recruits get a feel for working in the field by sleeping outside and eating meals-ready-to-eat. - Recruits of Company D hike the hills of Edson Range, Marine Corps Base Camp Pendleton, Calif. while they work on their land navigation skills May 16. During field week recruits get a feel for working in the field by sleeping outside and eating meals-ready-to-eat.