sorry, i know its not like me to post so little info about a proposed thing, but this is all i could find that didn't look it was read from a children's book.
The Tiny Tim was an American air to ground rocket used near the end of the Second World War. One source states it was built in response to a US Navy requirement for an anti-shipping rocket capable of hitting ships outside of their anti-aircraft range, with a payload capable of sinking heavy shipping. However, according to the China Lake Weapons Digest, the Tiny Tim was
... designed by the Caltech-China Lake team as a bunker-buster, Tim was the first large aircraft rocket, and, although it saw only limited service in WWII, it helped form the foundations of many postwar developments in rocketry.
For a warhead, Tiny Tim utilized a 500 lb semi-armor-piercing high explosive bomb. It had a maximum range of 1,500 meters (1,640 yards) wiki.
