Ruhrstahl X-4 Missile at the Udvar-Hazy Center
The German X-4 was a small air-to-air missile of World War II that could be fired at heavily armed Allied bombers from a distance. To prevent jamming, guidance was by wires running between the missile and its launch aircraft rather than by radio.
Image Number: WEB10825-2008
Credit: Image by Eric Long, National Air and Space Museum, Smithsonian Institution
For print or commercial use please see our permissions page.