Powered Rope Ascender (IMAGE) Office of Naval Research Caption A warfighter uses the hand-held Powered Rope Ascender to scale a rocky wall. Outfitted with a powerful high-density lithium battery, the device can hold a target load capacity up to 600 pounds at a 6-feet per second rate of ascension and will assist with naval operations involving the board of enemy vessels, remote casualty evacuation, helicopter extraction, or mountain warfare assault team deployment. The Powered Rope Ascender will be demonstrated at Fleet Week New York 2010, May 26-June 2. Credit US Navy photo Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.