"The United States Marine Corps confirms that two Marines have been found. One is in fair condition and the other has been declared deceased by competent medical personnel", the release said.
READ MORE: US Marines Launch Search and Rescue Effort After Two Planes Crash Near Japan
Five other Marines are still missing, and the US 7th Fleet is conducting search and rescue operations along with Navy aircraft out of Kadena Air Force Base and the Japanese Maritime Self-Defense Force and Japanese Coast Guard, the release said.
Two aircraft were involved in a routine training and aerial refuelling mission when the crash occurred, but the cause remains under investigation, the release added.