Boeing VC-25 Many of the VC-25's other capabilities are classified for security reasons. After a presidential inauguration resulting in a change in office, the outgoing president is provided transport on a VC-25 aircraft to their home destination. The aircraft for this flight does not use the Air Force One call sign because it is not carrying the president in office. For both Presidents Bill Clinton and George W. Bush, the flight was known as "Special Air Mission 28000", where the number represents the aircraft's tail number. The VC-25A has also been used to transport deceased former presidents. The guest area aft of
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