Wreckage of World War II aircraft carrier USS Hornet discovered

The research vessel Petrel is perched on a spot in the South Pacific Ocean that was anything but peaceful 77 years ago. Then, it was the scene of a major World War II battle between the U.S. and the Imperial Japanese Navies. For the U.S. aircraft carrier, Hornet, it would be her last battle. (www.cbsnews.com) Plus d'info...