The U.S. Marine Corps has identified one of the four victims in Thursday's Philippines plane crash as 22-year-old Sgt. Jacob ...

The crash occurred during a routine mission, the command said. The aircraft was conducting intelligence, surveillance and reconnaissance at the request of -- and in support of -- the Philippines.

It said the cause of the crash was under investigation. The Civil Aviation Authority of the Philippines also confirmed the crash of a light plane in Maguindanao del Sur province. It did not ...