A submersible projectile includes an elongate body. The elongate body has
an axial forward end and an axial rearward end and a peripheral surface.
The elongate body has a generally elliptical cross-section along
substantially all of the axial length of the elongate body. A plurality
of fins project from the elongate body near the axial rearward end of the
body wherein the fins are spaced about the peripheral surface.