TOKYO (Reuters) – Search and rescue teams found wreckage from a Japanese F-35 stealth fighter that crashed over the Pacific Ocean close to northern Japan, but the pilot remains missing, authorities said on Wednesday.

A Japan Air Self-Defense Force’s F-35A stealth fighter jet, which Kyodo says is the same plane that crashed during an exercise on April 9, 2019, is seen at the Mitsubishi Heavy Industries Komaki Minami factory in Toyoyama, Aichi Prefecture, Japan, in this photo taken by Kyodo June 2017. Mandatory credit Kyodo/via REUTERS

The aircraft, less than one-year-old, was the first F-35 to be assembled in Japan and was only in the air for 28 minutes on Tuesday, a defense official said.

It is only the second F-35 to crash in the