TWENTYNINE PALMS, Calif. – Marines with Combat Logistics Battalion 453, Combat Logistics Regiment 4, 4th Marine Logistics Group, Marine Forces Reserve, add ice to water supply tanks during Integrated Training Exercise 4-17 in Twentynine Palms, California, on June 22, 2017. The Marines prepared for the appearance of 2nd Battalion, 25th Marine Regiment, 4th Marine Division, MARFORRES, with ice cold water to help reduce the chance of heat casualties during the final battalion exercise of ITX 4-17.