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
Public image of Barack Obama by Legends. See also Public image of Barack Obama Barack Obama, who was elected as the 44th President of the United States, has elicited a number of public perceptions regarding his personality and background. As the first African-American President of the United States, his race and culture have played a prominent role in this, both positively and negatively. His relative youth (47 when elected) has alternately resulted in his being praised for his freshness and criticized for his inexperience. His temperament and demeanor have drawn praise for his perceived unflappability and criticism for the perception of his lacking emotional attachment.