working parts of the mine 10 in fig3 the elongated body of the mine 10 that is usually made of a metallic material such as steel or aluminum or other equivalent material is fitted with a heavy weight strong forward nose section 11 in the rear of the nose section 11 a cavity accommodates a rocket motor or other propulsion device 12 in the midsection of the mine a cavity 13 is suitably sized and positioned to allow storage of a large warhead or explosive device of adequate size and strength and detonation capacity to destroy an enemy submarine or other seagoing vessel in the rearward portion of the mine a cavity of sufficiently elongation and size is provided within which is stored a buoyancy device 14 the buoyancy means 16 is usually a flat folded inflatable plastic envelope or balloon of sufficient size to buoy and suspend the mine in the water after it has been submerged to a suitable depth in the rearward portions of the mine storage area or cavity 17 provides an area in which an air brake or parachute 18 is stored while the mine is aboard the aircraft and until such time as the automatic timing control device 19 electrically signals and releases the parachute 18 from the mine parachute or air braking means is utilized to change the trajectory mine from essentially horizontal at the time of ejection from the aircraft to a substantially vertical position in fig4 a schematic view an airplane 21 is shown dropping the mine of this invention in subsequent.