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 2008 presidential primary campaign online performance, measured Obama as the candidate that connected the most with potential voters via the Internet. Chris Hughes, a Facebook co-founder and coordinator of online organizing within the Barack Obama presidential campaign, called the on-line surge backing Obama "unprecedented". One group on Facebook, "Barack Obama (One Million Strong for Barack)", had 894,913 members as of November 5, 2008. Obama's politician page reached more than one million supporters as of June 17, 2008. On February 2, 2007, Obama attended a rally at George Mason University organized by "Students for Barack Obama", a group that began on Facebook, with several thousand