Updated at 10:15 a.m. ETThe Navy says eight people have been rescued and are "in good condition" after a propeller-driven C-2 Greyhound carrying 11 crew and passengers crashed in the Philippine Sea southeast of Okinawa, Japan."Search and rescue" for the remaining three people is still underway, the Navy says.In a statement, the U.S. 7th Fleet said the C-2, a twin-engine airplane used to ferry personnel to and from aircraft carriers, went down about 2:45 p.m. Japan time (12:45 a.m. ET) while it was en route to the aircraft carrier USS Ronald Reagan (CVN76), which is operating in the region.By 3:23 p.m. local time, eight people were recovered. "All personnel were transferred to USS Ronald Reagan (CVN 76) for medical evaluation and are in good condition at this time," the Navy says.The incident will be investigated. The cause of the crash is not yet known, an earlier statement said.The names of crew and passengers were being withheld pending notification of next of kin, the Navy says, without any further explanation.Japan's Maritime Self-Defense Force is assisting with search and rescue efforts for the three missing personnel.The Associated Press adds background: