For years, the BentProp Project has searched the seas off Palau for missing planes shot down by the Japanese. Now the group has access to the latest oceanographic technology, which it used to find two aircraft lost for 70 years. "All right, let's go find us an airplane." As Eric Terrill, director of the Coastal Observing and Research Center at the Scripps Institution of Oceanography, spoke on a perfect afternoon late last month, a bright yellow torpedo-shaped robotic vehicle began diving below the surface of the warm Pacific Ocean waters nearby. Known as a remote environmental sampling unit, or Remus, it's a 5-foot-long, 81-pound autonomous underwater vehicle (AUV), a $300,000 package of sensors, cameras, electronics, and other gear designed to survey the ocean.