The sailing ship Khersones and the Russian Navy's guided missile cruiser Atlant take part in the Navy Day parade in the Black Sea port of Sevastopol, Crimea July 26, 2020. REUTERS/Alexey Pavlishak

The sailing ship Khersones and the Russian Navy's guided missile cruiser Atlant take part in the Navy Day parade in the Black Sea port of Sevastopol, Crimea July 26, 2020. REUTERS/Alexey Pavlishak

Russian armoured personnel carriers emerge from amphibious assault ships during the Navy Day parade in the Black Sea port of Sevastopol, Crimea July 26, 2020. REUTERS/Alexey Pavlishak

The Russian Navy's large landing ship Caesar Kunikov sails during the Navy Day parade in the Black Sea port of Sevastopol, Crimea July 26, 2020. REUTERS/Alexey Pavlishak

People in boats watch as a Russian armoured personnel carrier sails after emerging from an amphibious assault ship during the Navy Day parade in the Black Sea port of Sevastopol, Crimea July 26, 2020. REUTERS/Alexey Pavlishak

Russian armoured personnel carriers emerge from amphibious assault ships during the Navy Day parade in the Black Sea port of Sevastopol, Crimea July 26, 2020. REUTERS/Alexey Pavlishak

The Russian small anti-submarine ship Aleksin fires missiles during the Navy Day parade in Baltiysk, Kaliningrad region, Russia July 26, 2020. REUTERS/Vitaly Nevar

An internet show host poses in the swimming pool on the Explorer Dream cruise ship in Keelung, Taiwan, July 26, 2020. REUTERS/Ann Wang

A member of the staff wears a mask and a face shield to prevent the spread of the coronavirus disease (COVID-19), at the canteen on the Explorer Dream cruise ship, in Keelung, Taiwan, July 26, 2020. REUTERS/Ann Wang

A member of the staff wears a face mask to prevent the spread of the coronavirus disease (COVID-19), at the canteen on Explorer Dream cruise ship in Keelung, Taiwan, July 26, 2020. REUTERS/Ann Wang

A woman takes a selfie in front of the Explorer Dream cruise ship, in Keelung, Taiwan, July 26, 2020. REUTERS/Ann Wang

Staff wearing face masks and gloves prepare to help passengers checking-in on the Explorer Dream cruise ship in Keelung, Taiwan, July 26, 2020. REUTERS/Ann Wang

A member of the staff wears a mask and a face shield to prevent the spread of the coronavirus disease (COVID-19), at the canteen on the Explorer Dream cruise ship in Keelung, Taiwan, July 26, 2020. REUTERS/Ann Wang

An internet show host enjoys the water slide on the Explorer Dream cruise ship in Keelung, Taiwan, July 26, 2020. REUTERS/Ann Wang

Social distancing signs are seen in the restaurant to prevent the spread of the coronavirus disease (COVID-19), on the Explorer Dream cruise ship, in Keelung, Taiwan, July 26, 2020. REUTERS/Ann Wang

Chen Hsiu-Hsi, the associate Dean of the Department of Public Health from National Taiwan University explains the use of a negative pressure isolation room to the media on the Explorer Dream cruise ship in Keelung, Taiwan, July 26, 2020. REUTERS/Ann Wang

Turkish seismic research vessel Oruc Reis is seen in Istanbul, Turkey, August 22, 2019. Picture taken August 22, 2019. REUTERS/Murad Sezer

The NickoVision river cruise ship arrives following the coronavirus disease (COVID-19) outbreak in Budapest, Hungary, July 16, 2020. Picture taken July 16, 2020. REUTERS/Bernadett Szabo

The NickoVision river cruise ship arrives following the coronavirus disease (COVID-19) outbreak in Budapest, Hungary, July 16, 2020. Picture taken July 16, 2020. REUTERS/Bernadett Szabo

A crew member of the NickoVision river cruise ship preprares to arrive following the coronavirus disease (COVID-19) outbreak in Budapest, Hungary, July 16, 2020. Picture taken July 16, 2020. REUTERS/Bernadett Szabo

Members of the French navy of the Charles de Gaulle ship take part in the annual Bastille Day military ceremony on the Place de la Concorde in Paris, July 14, 2020. Ludovic Marin/Pool via REUTERS

U.S. Navy helicopter and city firefighters continue fighting a fire on the amphibious assault ship USS Bonhomme Richard at Naval Base San Diego, in San Diego, California, U.S. July 13, 2020. REUTERS/Mike Blake

A U.S. Navy helicopter continues fighting a fire on the amphibious assault ship USS Bonhomme Richard at Naval Base San Diego, in San Diego, California, U.S. July 13, 2020. REUTERS/Mike Blake

U.S. Navy helicopter and city firefighters continue fighting a fire on the amphibious assault ship USS Bonhomme Richard at Naval Base San Diego, in San Diego, California, U.S. July 13, 2020. REUTERS/Mike Blake

A U.S. Navy helicopter continues fighting a fire on the amphibious assault ship USS Bonhomme Richard at Naval Base San Diego, in San Diego, California, U.S. July 13, 2020. REUTERS/Mike Blake

U.S. Navy helicopters continue fighting a fire on the amphibious assault ship USS Bonhomme Richard at Naval Base San Diego, in San Diego, California, U.S. July 13, 2020. REUTERS/Mike Blake TPX IMAGES OF THE DAY

A U.S. Navy helicopter and city firefighters continue fighting a fire on the amphibious assault ship USS Bonhomme Richard at Naval Base San Diego, in San Diego, California, U.S. July 13, 2020. REUTERS/Mike Blake

U.S. Navy helicopters and city firefighters continue fighting a fire on the amphibious assault ship USS Bonhomme Richard at Naval Base San Diego, in San Diego, California, U.S. July 13, 2020. REUTERS/Mike Blake

U.S. Navy helicopters and city firefighters continue fighting a fire on the amphibious assault ship USS Bonhomme Richard at Naval Base San Diego, in San Diego, California, U.S. July 13, 2020. REUTERS/Mike Blake

U.S. Navy helicopters and city firefighters continue fighting a fire on the amphibious assault ship USS Bonhomme Richard at Naval Base San Diego, in San Diego, California, U.S. July 13, 2020. REUTERS/Mike Blake

U.S. Navy helicopters and city firefighters continue fighting a fire on the amphibious assault ship USS Bonhomme Richard at Naval Base San Diego, in San Diego, California, U.S. July 13, 2020. REUTERS/Mike Blake

U.S. Navy helicopters and city firefighters continue fighting a fire on the amphibious assault ship USS Bonhomme Richard at Naval Base San Diego, in San Diego, California, U.S. July 13, 2020. REUTERS/Mike Blake

U.S. Navy helicopters and city firefighters continue fighting a fire on the amphibious assault ship USS Bonhomme Richard at Naval Base San Diego, in San Diego, California, U.S. July 13, 2020. REUTERS/Mike Blake

U.S. Navy helicopters and city firefighters continue fighting a fire on the amphibious assault ship USS Bonhomme Richard at Naval Base San Diego, in San Diego, California, U.S. July 13, 2020. REUTERS/Mike Blake

U.S. Navy helicopters and city firefighters continue fighting a fire on the amphibious assault ship USS Bonhomme Richard at Naval Base San Diego, in San Diego, California, U.S. July 13, 2020. REUTERS/Mike Blake

U.S. Navy helicopters and city firefighters continue fighting a fire on the amphibious assault ship USS Bonhomme Richard at Naval Base San Diego, in San Diego, California, U.S. July 13, 2020. REUTERS/Mike Blake

Smoke rises from a fire onboard the U.S. Navy amphibious assault ship USS Bonhomme Richard at Naval Base San Diego, California, U.S. July 12, 2020. REUTERS/Bing Guan TPX IMAGES OF THE DAY

Smoke rises from a fire onboard the U.S. Navy amphibious assault ship USS Bonhomme Richard at Naval Base San Diego, California, U.S. July 12, 2020. REUTERS/Bing Guan

Firefighting boats spray saltwater onto the U.S. Navy amphibious assault ship USS Bonhomme Richard as smoke rises from a fire onboard the ship at Naval Base San Diego, California, U.S. July 12, 2020. REUTERS/Bing Guan

Smoke rises from a fire onboard the U.S. Navy amphibious assault ship USS Bonhomme Richard at Naval Base San Diego, California, U.S. July 12, 2020. REUTERS/Bing Guan

Smoke rises from a fire onboard the U.S. Navy amphibious assault ship USS Bonhomme Richard at Naval Base San Diego, California, U.S. July 12, 2020. REUTERS/Bing Guan

Shipyards are seen amid haze as smoke rises from a fire onboard the U.S. Navy amphibious assault ship USS Bonhomme Richard (not pictured) at Naval Base San Diego, California, U.S. July 12, 2020. REUTERS/Bing Guan

Firefighting boats spray water onto the U.S. Navy amphibious assault ship USS Bonhomme Richard as smoke rises from a fire onboard the ship at Naval Base San Diego, as seen from Coronado, California, U.S. July 12, 2020. REUTERS/Bing Guan

People dine at the Clubhouse restaurant on the Coronado Golf Course, as firefighting boats spray water onto the U.S. Navy amphibious assault ship USS Bonhomme Richard as smoke rises from a fire onboard the ship at Naval Base San Diego, California, U.S. July 12, 2020. REUTERS/Bing Guan

Firefighting boats spray water onto the U.S. Navy amphibious assault ship USS Bonhomme Richard as smoke rises from a fire onboard the ship at Naval Base San Diego, as seen from Coronado, California, U.S. July 12, 2020. REUTERS/Bing Guan

Firefighting boats spray water onto the U.S. Navy amphibious assault ship USS Bonhomme Richard as smoke rises from a fire onboard the ship at Naval Base San Diego, as seen from Coronado, California, U.S. July 12, 2020. REUTERS/Bing Guan

Firefighting boats spray water onto the U.S. Navy amphibious assault ship USS Bonhomme Richard as smoke rises from a fire onboard the ship at Naval Base San Diego, as seen from Coronado, California, U.S. July 12, 2020. REUTERS/Bing Guan

Firefighting boats spray water onto the U.S. Navy amphibious assault ship USS Bonhomme Richard as smoke rises from a fire onboard the ship at Naval Base San Diego, as seen from Coronado, California, U.S. July 12, 2020. REUTERS/Bing Guan

Firefighting boats spray water onto the U.S. Navy amphibious assault ship USS Bonhomme Richard as smoke rises from a fire onboard the ship at Naval Base San Diego, as seen from Coronado, California, U.S. July 12, 2020. REUTERS/Bing Guan

A recreational boat pulls a person on an inner tube on San Diego Bay as firefighting boats spray water onto the U.S. Navy amphibious assault ship USS Bonhomme Richard as smoke rises from a fire onboard the ship at Naval Base San Diego, as seen from Coronado, California, U.S. July 12, 2020. REUTERS/Bing Guan

Firefighting boats spray water onto the U.S. Navy amphibious assault ship USS Bonhomme Richard as smoke rises from a fire onboard the ship at Naval Base San Diego, as seen from Coronado, California, U.S. July 12, 2020. REUTERS/Bing Guan

People pose for a picture in front of the San Diego skyline as smoke rises from a fire on board the U.S. Navy amphibious assault ship USS Bonhomme Richard at Naval Base San Diego, as seen from Coronado, California, U.S. July 12, 2020. REUTERS/Bing Guan TPX IMAGES OF THE DAY

A cyclist watches as smoke rises from a fire on board the U.S. Navy amphibious assault ship USS Bonhomme Richard at Naval Base San Diego, California, U.S. July 12, 2020. Photo taken from Coronado. REUTERS/Bing Guan TPX IMAGES OF THE DAY

Smoke rises from a fire on board the U.S. Navy amphibious assault ship USS Bonhomme Richard at Naval Base San Diego, as seen from Coronado, California, U.S. July 12, 2020. REUTERS/Bing Guan

Firefighting boats spray water onto the U.S. Navy amphibious assault ship USS Bonhomme Richard as smoke rises from a fire onboard the ship at Naval Base San Diego, as seen from Coronado, California, U.S. July 12, 2020. REUTERS/Bing Guan TPX IMAGES OF THE DAY

Smoke rises from a fire on board the U.S. Navy amphibious assault ship USS Bonhomme Richard at Naval Base San Diego, California, U.S. July 12, 2020. Photo taken from the San-Diego Coronado Bridge. REUTERS/Bing Guan

A Southwest Airlines plane flies over downtown San Diego as smoke rises from a fire on board the U.S. Navy amphibious assault ship USS Bonhomme Richard at Naval Base San Diego, as seen from Coronado, California, U.S. July 12, 2020. REUTERS/Bing Guan

Smoke rises from a fire on board the U.S. Navy amphibious assault ship USS Bonhomme Richard at Naval Base San Diego, as seen from Coronado, California, U.S. July 12, 2020. REUTERS/Bing Guan

Smoke rises from a fire on board the U.S. Navy amphibious assault ship USS Bonhomme Richard at Naval Base San Diego, as seen from Coronado, California, U.S. July 12, 2020. REUTERS/Bing Guan