Soldiers from Delta company participating in Operation Sustainment Warrior pose for the camera after completing the litter obstacle course, Aug. 8, 2013, at Joint Base McGuire-Dix-Lakehurst, N.J. The combat lifesaver course at OSW is the "Largest CLS class in the Army" said Maj. Rodger Woodruff, 77th Sustainment Brigade, officer in charge of OSW. OSW is a training event, hosted by the 77th SB, to provide participants with a realistic combat training experience.