The M117 is a general-purpose bomb. It is dropped from the air by an airplane. It is used by United States military forces. The M117 was used for the first time in the Korean War in the early 1950s. Its nominal weight is , but its actual weight, depending on fuze and delay options, is around . Its explosive content is of Minol 2 or Tritonal. The M117 can also be used with a low-drag tail fin for medium and high-altitude bombing.