![](https://www.historynet.com/wp-content/uploads/2017/10/Rainbow-damage960_640.jpg)
An emergency landing with a sheared-off main gear strut damaged the first XF-12 on July 10, 1947, but the second prototype was ready to fly a month later. (National Archives)
An emergency landing with a sheared-off main gear strut damaged the first XF-12 on July 10, 1947, but the second prototype was ready to fly a month later. (National Archives)