VC-137C SAM 26000 VC-137C SAM 26000 SAM 26000 was the first of two Boeing VC-137C United States Air Force aircraft specifically configured and maintained for use by the President of the United States. It used the callsign Air Force One when the President was on board, "SAM 26000" otherwise. A VC-137C with Air Force serial number "62-6000", "SAM 26000" was a customized Boeing 707. It entered service in 1962 during the administration of John F. Kennedy and was replaced in Presidential service in 1972 but kept as a backup. The aircraft was finally retired in 1998 and is now on display at the
Barack Obama Sr. Barack II. She divorced him three years later. The elder Obama later went to Harvard University for graduate school, where he earned an M.A. in economics, and returned to Kenya in 1964. He saw his son Barack once more, when he was about ten. In late 1964, Obama Sr. married Ruth Beatrice Baker, a Jewish-American woman whom he had met in Massachusetts. They had two sons together before separating in 1971 and divorcing in 1973. Obama first worked for an oil company, before beginning work as an economist with the Kenyan Ministry of Transport. He gained a promotion to senior