Team leader Nathan Ernst and team member Mike Gorski of Adaptive Materials Inc., prepare their prototype power system for connection to a power draw computer system for the 2008 Director Defense Research and Engineering Wearable Power Prize competition at Del Valle Field aboard the Combat Center Sept. 28. - Team leader Nathan Ernst and team member Mike Gorski of Adaptive Materials Inc., prepare their prototype power system for connection to a power draw computer system for the 2008 Director Defense Research and Engineering Wearable Power Prize competition at Del Valle Field aboard the Combat Center Sept. 28.