Air Force Releases Photo of X-3 Research Plane -- The Air Force Today (Nov. 16) released this photo of its X-3 research plane nicknamed the "Flying Stiletto" Because of its short wings and long tapered nose. The X-3 was built to test features of an aircraft operating for sustained periods at extremely high speeds. It has been flown in numerous tests during the past year. The plane's fuselage is 66 feet, 9 inches long. The wing span in only 22 feet, 8 inches. Flying Stiletto is the appropriate n