SAN DIEGO (AP) Five people were missing after a U.S. Navy helicopter crashed Tuesday in the ocean off Southern California during a routine flight from an aircraft carrier, military officials said.

A search and rescue operation was launched after the MH-60S helicopter crashed around 4:30 p.m. about 60 nautical miles off San Diego, the Navys U.S. Pacific Fleet said in an initial statement.

Officials later said that one crewmember had been rescued and search efforts continue for five additional crewmembers.