The North American X-15 rocket-powered research aircraft bridged the gap between manned flight within the atmosphere and manned flight beyond the atmosphere into space. After completing its initial ...

The R-4360 was Pratt & Whitney's last aircraft piston engine, as well as the largest and the most complicated piston engine produced in quantity in the United States. The 28 cylinders were in four ...

The XB-70 was conceived in 1954 as a subsonic bomber capable of short supersonic dashes. In December of 1957, North American won a competition with Boeing for development of the new bomber. The ...

Captain Ernest A. Clark is the father of Julie E. Clark and was born in 1912 in Nebraska. Learned to fly in 1930 and became the youngest licensed pilot and airplane owner in the state of Nebraska (an ...