Getting some last-minute tips from two U.S. Marines are seven of the 40 Pioneer High students who leave Friday for a "survival" weekend in the wilds of the Upper Peninsula. The boys will sleep on the ground, and, for the most part, will gather all their own food. Eight Marines will accompany the boys and several teachers on the trip. The Marines are all Vietnam veterans and experts in survival training. From left are S/Sgt. Byron Tapp, Larry Gable, Ron Coon (standing), Rick Bolhouse, Pete Schneeberger (standing), Bob Cooper, John Sonntag, Dave Haaxman and Sgt. B. J. Melvin. Cooper, Pioneer High Student Council president, helped organize the expedition.