Spc. Alex Muenz, engineer, 336th Engineer Company properly uses his Army Combat Uniform trousers as a flotation device during drown proof training on Fort Hunter Liggett, Calif., Aug. 6. This technique allows the soldier to conserve energy in the water by keeping them afloat and not forcing the soldier to tread water. The engineer soldiers are at Fort Hunter Liggett for their annual training in support of Castle Installation Related Construction.