U.S. Navy Damage Controlman Fireman Apprentice Stefanie Salazar, right, serving with amphibious assault ship USS Bonhomme Richard (LHD 6), shows fellow Sailors how to put on a self-contained breathing apparatus used for firefighting aboard the ship Jan. 12, 2011, in San Diego, Calif. Bonhomme Richard was in dry dock for maintenance and upgrades.