The X-4's design allowed it to be separated into two parts, aft of the engines, for servicing and instrumentation work.
The Atmospheric Turbulence Measurement System booms extended forward from the Pathfinder-Plus solar wing as it soared over Rogers Dry Lake…
Convair YF-102 (53-1785) on the ramp at the NACA High-Speed Flight Station, Edwards, CA, in 1955.
In this 1952 photograph NACA test pilot Joe Walker (on left) is seen discussing tests points to be flown on…
Bob Cummings, a technician at NASA's Dryden Flight Research Center, Edwards, CA, checked out a new "Smart Skin" antenna mounted…
One of NASA's F/A-18 Hornets on the ramp at the Dryden Flight Research Center, Edwards, CA, at dawn August 6,…
Moments before the F-104 and XB-70 collided, the ill-fated formation flight centered on the XB-70, flanked by a T-38A, F-4B,…
The Atmospheric Turbulence Measurement System booms were clearly evident in this view of the Pathfinder-Plus solar aircraft as it flew…
William H. Dana poses in front of the X-24B after his last powered lifting-body flight on September 23, 1975.
In this 1950 view of the left side of the NACA High-Speed Flight Research Station's X-4 research aircraft, the low…
