Sailors prepare to board the amphibious assault ship USS Bonhomme Richard at Naval Base San Diego, July 14, 2020, to support ongoing fire efforts. (Jason Waite/U.S. Navy)
Sailors prepare to board the amphibious assault ship USS Bonhomme Richard at Naval Base San Diego, July 14, 2020, to support ongoing fire efforts. (Jason Waite/U.S. Navy)
Firefighter John Farrell, from Federal Fire Station 13 at Naval Amphibious Base Coronado, emerges from USS Bonhomme Richard. (Timothy Wilson/U.S. Navy)
Sailors remove their firefighting ensembles after battling a fire aboard the amphibious assault ship USS Bonhomme Richard at Naval Base San Diego. (Jason Kofonow/U.S. Navy)
An MH-60S Seahawk helicopter, provides aerial firefighting support alongside sailors and civilian fire crews on the ground to fight the fire aboard amphibious assault ship USS Bonhomme Richard on July 13, 2020. On the morning of July 12, a fire was called away aboard the ship while it was moored pier side at Naval Base San Diego. (Mar'Queon A. D. Tramble/U.S. Navy)
An MH-60S Sea Hawk helicopter combats a fire aboard the USS Bonhomme Richard on July 14, 2020. On the morning of July 12, a fire was called away aboard the ship while it was moored pier side at Naval Base San Diego. Base and shipboard firefighters responded to the fire. (Commander, Naval Surface Force, )
Sailors discuss ongoing firefighting operations aboard the amphibious assault ship USS Bonhomme Richard at Naval Base San Diego on July 14, 2020. (Hector Carrera/U.S. Navy)
Lt. Matthew Wellens flies an MH-60S Seahawk helicopter to support aerial firefighting operations aboard the USS Bonhomme Richard on July 13, 2020. (Chris Kimbrough/U.S. Navy)
Sailors disconnect hoses in the well deck of the USS Bonhomme Richard in support of firefighting efforts on July 14, 2020. (Gretchen M. Albrecht/U.S. Navy)
Chief Machinist's Mate Jacob Soto, assigned to the USS Bonhomme Richard, cools down in between investigation rounds in support of firefighting efforts aboard Bonhomme Richard on July 14, 2020. (Gretchen M. Albrecht/U.S. Navy)
Sailors rest after battling a fire aboard the amphibious assault ship USS Bonhomme Richard on July 14, 2020. (Jason Kofonow/U.S. Navy)
A sailor rests after combatting a fire aboard USS Bonhomme Richard on July 14, 2020. Sailors from multiple commands and Federal San Diego Firefighters have been engaged in the firefighting effort. (Christina Ross/U.S. Navy)
WASHINGTON — Sixty-three people have now been treated for minor injuries as the fire aboard the USS Bonhomme Richard burns for a fourth day.
As of Wednesday morning, 40 sailors and 23 civilians have been treated for minor injuries including heat exhaustion and smoke inhalation while fighting the fire aboard the amphibious assault ship at Naval Base San Diego, Navy officials said in a statement.
No sailors injured Wednesday went to a hospital, the service said.
Helicopters with water baskets from Helicopter Sea Combat Squadron 3 have now dumped more than 1,500 buckets of water on the ship to cool it and allow firefighters to battle the fire onboard, according to the Navy. The helicopters have been assisting with the effort since Monday morning.
More than 400 sailors from 12 San Diego-based ships are part of the effort to stop the fire, the Navy said. Those ships include the USS Bonhomme Richard, the USS Fitzgerald, the USS Abraham Lincoln and the USS Cowpens.
The cause of the fire is still unknown, but Navy officials believe the fire started in the cargo hold where supplies were being stored as the ship underwent maintenance at the naval base. The fire was first reported at about 8:30 a.m. Sunday and about 160 sailors were onboard at the time.
One of the ship’s fire suppression systems was not operational when the fire started because it too was being worked on in the shipyard, according to Rear Adm. Philip Sobeck, the commander of Expeditionary Strike Group 3, which includes the Bonhomme Richard.
Firefighters attempted to use an aqueous film-forming foam system to control the fire but an explosion on the ship forced personnel to evacuate the area, Sobeck said Tuesday. The system uses foam to rapidly extinguish fires, according to the U.S. Naval Research Laboratory.
As of late Tuesday, firefighters were still combating two fires on different ends of the ship, Sobeck said.
“There is no threat to the fuel tanks, which are well below any active fires or heat sources. The ship is stable, and the structure is safe,” he said.
Kenney.Caitlin@stripes.com Twitter: @caitlinmkenney
