PASSION (1 of 2) (IMAGE) Office of Naval Research Caption With the Precise At-Sea Ship System for Indoor-Outdoor Navigation (PASSION) app, deployed Sailors and Marines on board aircraft carriers will be able to use smart phones to navigate, locate and track anyone on the ship in real time. Credit US Navy image courtesy of Dr. John Kim 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.