Petty Officer 3rd Class Brandon Clark and Petty Officer 2nd Class Donald Dalizu, surgical technicians with 2nd Medical Battalion, 2nd Marine Logistics Group, test some of their surgical equipment in a Forward Resuscitative Surgical System set up aboard Camp Lejeune, N.C., Aug. 15, 2012. Improvements to the medical equipment used by the FRSS have increased its power requirements, and a team of engineers and medical personnel spent a week determining the amount of energy needed to sustain its operations.