The Army's soldiers all share a common requirement. The need for water while out in the field. It's a pursuit as old as the Army itself. Now the Army Research Office is working on a new and faster way to use the sun to purify water so soldiers can use it when far from potable water supplies. Federal News Network\u2019s Scott Maucione got a sip of what they're working. He spoke with the ARO\u2019s program manager for materials and design, Evan Runnerstrom.\nLearn more about your ad choices. Visit megaphone.fm/adchoices