. "General Electric J47" . "General Electric J47 Turbojet" . . . . "J-47" . "X39" . . "General Electric J47" . "J47-GE-25" . "General Electric X-39" . "General Electric J53" . "J47 jet engine" . "General Electric J47-GE-7" . "J47 engine" . "General Electric J47-GE-2" . "General Electric J47-GE-13" . "General Electric J47-19" . "nuclear reactor engines" . . "General Electric J47#Nuclear-powered version - The X39" . "General Electric J47-15" . "General_Electric_J47#The_nuclear-powered_X39" . . "Jet aero engines" . . . "J47-GE-3" . . "General Electric J47-GE-23" . "J47" . .