Complex sentence: The unknown soldier from the Vietnam War who was buried in the Tomb of the Unknowns was authorized a Medal of Honor and in 1998, the unknown soldier was identified as 1st Lieutenant Michael Blassie.
Split into simpler sentences: The unknown soldier from the Vietnam War buried in the Tomb of the Unknowns was awarded a Medal of Honor. In 1998, the unknown soldier was identified as 1st Lt. Michael Blassie.