An undersea volcano's eruption off Japan three weeks ago has provided a rare view of the birth of a tiny new island, but experts say it may not last long.

The crew aboard the USS Iwo Jima returned home Monday to Naval Station Mayport following a seven month deployment.

MAYPORT, Fla. It took five hours to put out a fire in a cargo hold of the USS Iwo Jima that injured 11 sailors, according to the U.S. Navy. The Navy said the fire aboard the amphibious assault ship that wad docked at Naval Station Mayport was reported at 11:45 p.m. Thursday by sailors who reported smoke. The ships crew along with sailors from USS The Sullivans, federal firefighters and the Jacksonville Fire and Rescue Department worked to contain the fire. The 11 sailors reported minor injuries like smoke inhalation and exhaustion, according to the Navys Public Affairs Office. The ship, commissioned in 2001 and based at Mayport, was completing maintenance operations and did not have any weapons or munitions aboard, according to the Navy.