MARINE CORPS BASE CAMP LEJEUNE, N.C. (July 11, 2006) - Starting an intravenous line is just one of the many things students in the Combat Lifesaver Course learn how to do. The four-day course is geared towards Marines who are preparing to deploy overseas. - MARINE CORPS BASE CAMP LEJEUNE, N.C. (July 11, 2006) - Starting an intravenous line is just one of the many things students in the Combat Lifesaver Course learn how to do. The four-day course is geared towards Marines who are preparing to deploy overseas.