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
Arctic policy of Barack Obama Arctic policy of Barack Obama see also: Northern Bering Sea Climate Resilience Area, Presidency of Barack Obama Early on in his campaign, former President Barack Obama made it clear that climate change was a priority for his administration. Soon after becoming President Elect in November 2008, he reiterated this positing stating: “Now is the time to confront this challenge once and for all. Delay is no longer an option. Denial is no longer an acceptable response.” Contradictory to his 2008 campaign promises on the Offshore drilling debate, Obama felt obliged to open coastal areas off the Alaskan coast to exploratory