... I had heard of this; but an enthusiastic fan provided much more info (and he just can't stop laughing about it!) The fan, Greg Renner, also provided the 'commemorative' art !
... on the morning of 16 August 1956, the USAF was trying desperately to shoot down a large, errant target drone which had wondered off on it's own over Los Angeles. A Comedy of Errors with so many details it's best to follow the links to catch all the fun!