(FILES) A file picture taken in Brest ha

(FILES) A file picture taken in Brest harbor, western France, on September 21, 2004, shows the Vepr Russian nuclear submarine of the Project 971 Shchuka-B type, or Akula-class (Shark) by NATO classification , the same type as the Nerpa Russian nuclear submarine. Russia has handed over the nuclear-powered attack submarine Nerpa to India at a ceremony that followed more than two years of delays, a source in the naval chief of staff told ITAR-TASS today. AFP PHOTO / FRED TANNEAU (Photo credit should read FRED TANNEAU/AFP via Getty Images)