Code name policy of assigning code names intended to give no such clues to the uninitiated. For example, the British counter measures against the V-2 was called "Operation Crossbow". The atomic bomb project centered in New Mexico was called the Manhattan Project, derived from the Manhattan Engineer District which managed the program. The code name for the American A-12 / SR-71 spy plane project, producing the fastest, highest-flying aircraft in the world, was "Oxcart". The American group that planned that country's first ICBM was called the Teapot Committee. Although the word could stand for a menace to shipping (in this case, that
Code name of the Americans favored longer compound words, although the name Overlord was personally chosen by Winston Churchill himself. Many examples of both types can be cited, as can exceptions. Winston Churchill was particular about the quality of code names. He insisted that code words, especially for dangerous operations, would be not overly grand nor petty nor common. One emotional goal he mentions is to never have to report to anyone that their son "was killed in an operation called 'Bunnyhug' or 'Ballyhoo'." Presently, British forces tend to use one-word names, presumably in keeping with their post-World War II policy of