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 on social media hashtag #AskObama, it took Obama 3111 characters to respond. The event was moderated by Twitter executive Jack Dorsey, and Obama started the session with a sample tweet to himself through @WhiteHouse that said "in order to reduce the deficit, what costs would you cut and what investments would you keep – bo". Dorsey said afterwards that Twitter received over 110,000 #AskObama-hashtagged tweets. Boehner was quite active with his questions from the outset. Some in the media proposed May 24, 2012, as the date when Obama became the first President to respond to questions on Twitter. On July 29, 2011, during