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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

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.

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What is claimed is: 1. A submersible projectile comprising: an elongate body having an axial forward end and an axial rearward end and a peripheral surface, and the elongate body has a central longitudinal axis; the elongate body having a generally elliptical cross-section along substantially all o

What is claimed is: 1. A submersible projectile comprising: an elongate body having an axial forward end and an axial rearward end and a peripheral surface, and the elongate body has a central longitudinal axis; the elongate body having a generally elliptical cross-section along substantially all of the axial length of the elongate body; a plurality of fins projecting from the elongate body near the axial rearward end of the body, and the fins being spaced about the peripheral surface; and wherein one of the plurality of fins is an upper radial fin that has a generally vertical orientation, and the upper radial fin projects in a radial fashion away from the elongate body, and the plurality of fins further includes a plurality of lower non-radial fins that are not aligned to the central longitudinal axis of the elongate body. 2. The submersible projectile of claim 1 wherein the ellipse defined by the elongate body has an eccentricity equal to between about 0. 75 and about 0.85. 3. The submersible projectile of claim 1 wherein the elongate body has a specific gravity equal to between about 1.15 and about 1.20. 4. The submersible projectile of claim 1 wherein the plurality of lower non-radial fins comprises two lower non-radial fins. 5. A submersible projectile comprising: an elongate body having an axial forward end and an axial rearward end and a peripheral surface, the elongate body having a specific gravity equal to between about 1.15 and about 1.20; the elongate body having a generally elliptical cross-section along substantially all of the axial length of the elongate body, and the ellipse defined by the elongate body in cross-section having an eccentricity equal to between about 0.75 and about 0.85; and a trio of fins projecting from the elongate body near the axial rearward end of the body, and the fins being spaced about the peripheral surface. 6. The submersible projectile of claim 5 wherein one of the fins projecting in a radial fashion away from the elongate body and the other two of the fins projecting in a non-radial fashion away from the elongate body. 7. The submersible projectile of claim 5 wherein the eccentricity is equal to about 0.78. 8. A submersible projectile comprising: an elongate body having an axial forward end and an axial rearward end and a peripheral surface, the elongate body having a central longitudinal axis; the elongate body having a generally elliptical cross-section along substantially all of the axial length of the elongate body; the elongate body containing a propulsion member; a plurality of fins projecting from the elongate body near the axial rearward end of the body, and the fins being spaced about the peripheral surface; and wherein one of the fins projecting in a radial fashion away from the elongate body and at least two of the fins projecting in a non-radial fashion away from the elongate body. 9. A submersible projectile comprising: an elongate body having an axial forward end and an axial rearward end and a peripheral surface, the elongate body having a central longitudinal axis; the elongate body having a generally elliptical cross-section along substantially all of the axial length of the elongate body; the elongate body containing a propulsion member; a plurality of fins projecting from the elongate body near the axial rearward end of the body, and the fins being spaced about the peripheral surface; and wherein the propulsion member is an elastic launch member, and the elongate body containing a channel that receives the elastic launch member. 10. The submersible projectile of claim 9 wherein the channel is in general alignment with the central longitudinal axis of the elongate body. 11. The submersible projectile of claim 9 wherein the channel runs substantially the entire axial length of the elongate body. 12. A submersible projectile comprising: an elongate body having an axial forward end and an axial rearward end and a peripheral surface, the elongate body having a central longitudinal axis; the elongate body having a generally elliptical cross-section along substantially all of the axial length of the elongate body; the elongate body containing a propulsion member; a plurality of fins projecting from the elongate body near the axial rearward end of the body, and the fins being spaced about the peripheral surface; and wherein the propulsion member is an elastic band, and the elongate body contains a pair of generally parallel channels that receive the elastic band, and the channels being in general alignment with the central longitudinal axis of the elongate body. 13. A submersible projectile comprising: an elongate body having an axial forward end and an axial rearward end and a peripheral surface; the elongate body having a generally elliptical cross-section along substantially all of the axial length of the elongate body; a trio of substantially identical fins projecting from the elongate body near the axial rearward end of the body, the fins being spaced about the peripheral surface; one of the fins projecting in a radial fashion away from the elongate body and the other two of the fins projecting in a non-radial fashion away from the elongate body; and each one of the non-radial fins being spaced apart from the radial fin at an angle between about 130 degrees and about 135 degrees.