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 United States 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 manufactured using 11.75-inch pipe, which was chosen because it was already being manufactured. Used oil field 11.75-inch pipe was acquired for the prototypes. Also the 11.75-inch size was of interest in the development because there was already available a 500-pound semiarmor-piercing bomb that was adaptable for use as the warhead for the rocket. One of the rocket project scientists commented on the shortage of t