Water purification specialists with with Combat Logistics Battalion 24, Combat Logistics Regiment 27, 2nd Marine Logistics Group patch a hole in a 500-gallon water bladder during a battalion exercise aboard Camp Lejeune, N.C., Oct. 17, 2013. The Marines used the exercise as an opportunity to train with the Lightweight Water Purification System and support Landing Support Platoon, CLB-24 during helicopter support team operations.