U.S. Navy sailors fight a simulated class bravo fire. U.S. Navy sailors fight a simulated class bravo fire during a general quarters drill aboard the Nimitz-class aircraft carrier USS George Washington (CVN 73) while under way in the Atlantic Ocean on Sept. 25, 2007. SHARE: Download: Full Size (0.03 MB) Credit: VIRIN: 645701-J-EIR12-296.jpg Photo Gallery