Lance Cpl. Alexander Sieck, a Greenville, Calif. and data network specialist with Combat Logistics Battalion 11, 1st Marine Logistics Group, remains vigilant on a patrol during the certification portion of the Basic Combat Skills Course aboard Marine Corps Base Camp Pendleton, Calif., Nov. 20, 2015. BCSC serves as a refamiliarization course for non-infantry Marines, teaching the fundamental skills needed to operate in a deployed environment. - Lance Cpl. Alexander Sieck, a Greenville, Calif. and data network specialist with Combat Logistics Battalion 11, 1st Marine Logistics Group, remains vigilant on a patrol during the certification portion of the Basic Combat Skills Course aboard Marine Corps Base Camp Pendleton, Calif., Nov. 20, 2015. BCSC serves as a refamiliarization course for non-infantry Marines, teaching the fundamental skills needed to operate in a deployed environment.