Boeing C-137 Stratoliner procurement of the Boeing 707 was very limited, amounting to three Model 707-153s designated VC-137A. When delivered in 1959 these had four 13,500 lb (6123 kg) dry thrust Pratt & Whitney J57 (JT3C6) turbojets; when subsequently re-engined with 18,000 lbf (80.1 kN) dry thrust TF33-P-5 (JT3D) turbofans they were redesignated VC-137B. Only one other variant served with the USAF: this was the VC-137C "Air Force One" presidential transport, the two examples of which were Model 707-320B Intercontinentals with specialized interior furnishings and advanced communications equipment. Two further non-presidential C-137C aircraft were later added. To supplement its VC-137s, the USAF converted
Barack Obama on social media more Facebook accounts for "specific demographics, such as Veterans for Obama, Women for Obama, and African Americans for Obama." President Barack Obama made a surprise half-hour visit to the social news website Reddit on August 29, 2012. Using an Ask Me Anything (AMA) format, the President garnered 3.8 million page views on the first page of his self-post. Users left 22,000 comments and questions for the President, 10 of which he answered. The answered questions' topics included more serious topics, from the most difficult decision made during his first term to a plan to end the corruption of money in