The warship suffered severe damages after coming in contact with the ice-strengthened bulbous bow of the cruise ship.
Americans will be removed from a cruise ship quarantined off Japan and flown home, the US embassy said.
The United States said it would send an aircraft to Japan to bring back U.S. passengers on the quarantined cruise ship Diamond Princess
The overall number of infected people in Japan now stands around 160, including 10 people who were evacuated from the Chinese city of Wuhan, which is the epicenter of the outbreak.
Health authorities in the Asian financial hub said the crew and a similar number of passengers had been released from a quarantine.
The death toll from the virus in mainland China jumped by 73 to 563, with more than 28,000 confirmed infections there
3,700 quarantined on cruise ship after former passenger diagnosed with coronavirus
A man died after jumping off the 10th floor of a cruise liner as it was anchored off Puerto Rico's north shore.