Complex sentence: He was shot down over Laos in December 1969 and to this day is listed as missing in action and a year earlier his Eaton had followed him to West Point and graduated with the class of 1972.
Split into simpler sentences: He was shot down over Laos in December 1969 and to this day is listed as missing in action. When his father was listed missing in action in 1969, a year earlier his Eaton had followed him to West Point and graduated with the class of 1972.