YB-49 Flying WingNorthrop YB 49 Flying Wing model. The YB 49 was born when Northrop modified two YB 35's to jet power, the first one flying on October 21, 1947. Many complimentary reports on the YB 49 were filed by Air Force officers, and the service was convinced of the advantages of the all wing configuration, but in June 1948 the second YB 49 was destroyed with the loss of its five man crew in a crash attributed to structural failure. In spite of this, the Air

The F-4G could carry more weapons than previous Wild Weasel aircraft and a greater variety of missiles as well as conventional bombs

the last UK built 800 on April 29 1997)

the KC-10 has additional fuel cells in the lower fuselage

More powerful TFE-731s improved field performance

Power for initial production S61Ls was supplied by two 1005kW (1350shp) GE CT58140 turboshafts

The prototype for the first production model

cockpit accommodations and operational capabilities

Chuck Yeager piloted the rocket plane to a speed of Mach 2

McDonnell Douglas proposed new versions of the DC-9-50

By the Armistice

and that in most cases the C-141As had load capability greater than their physical capacity

Post-war American liquid fueled rocket engines evolved directly from the German engine that powered the V-2 weapon