The U.S. Navy completed tests on the GhostSwimmer unmanned underwater vehicle (UUV) at Joint Expeditionary Base Little Creek-Fort Story (JEBLC-FS), Dec. 11. GhostSwimmer is the latest in a series of science-fiction-turned-reality projects developed by the chief of naval operations' Rapid Innovation Cell (CRIC) project, Silent NEMO, an experiment that explores the possible uses for biomimetic, unmanned underwater vehicles in the fleet. Over the past several weeks, Boston Engineering's tuna-sized device has been gathering data at JEBLC-FS on tides…