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An apparatus for deploying cable in a body of water comprising an autonomous underwater vehicle (AUV) capable of converting vertical motion into horizontal travel, having a housing and means to deploy cable in a body of water. The cable, usually a cable sensor array, is released from a cable storage

An apparatus for deploying cable in a body of water comprising an autonomous underwater vehicle (AUV) capable of converting vertical motion into horizontal travel, having a housing and means to deploy cable in a body of water. The cable, usually a cable sensor array, is released from a cable storage section of the AUV as the AUV glides. Vertical motion can be provided by buoyancy change, by dropping the AUV into the water, or by release of the AUV from a weighted bunker at the bottom.

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1. An autonomous underwater vehicle (AUV) comprising: means to change buoyancy to create vertical motion; means for converting the vertical motion into horizontal travel; and a housing with means to deploy cable on a floor of a body of water during conversion of vertical motion into horizontal

1. An autonomous underwater vehicle (AUV) comprising: means to change buoyancy to create vertical motion; means for converting the vertical motion into horizontal travel; and a housing with means to deploy cable on a floor of a body of water during conversion of vertical motion into horizontal travel; wherein substantially all of the horizontal travel is achieved by converting the vertical motion; wherein the AUV is adapted to be un-manned. 2. The AUV of claim 1 wherein the AUV has means to retain one end of the cable to anchor the cable after placing the cable in the body of water. 3. The AUV of claim 1 wherein the AUV is adapted to be sunk from surface of the body of water and to become buoyant after reaching the bottom of the water. 4. The AUV of claim 3 comprising wings, control surfaces, and a processor which controls the attitude of the wings and control surfaces so as to control the direction and speed of travel and cable deployment. 5. The AUV of claim 3 adapted to be dropped from an airborne vehicle or a vessel on the surface of the body of water. 6. A system for deploying cable comprising: the AUV of claim 1 wherein the means to deploy cable is at or near the stern of the AUV; and a cable having a first end anchored at a first location on the bottom of the body of water; wherein the cable is released from the AUV as the AUV glides. 7. A system for deploying cable comprising: the AUV of claim 1; and a weighted bunker adapted to release the AUV from the bottom of the body of water. 8. The system of claim 7 further including one or more additional AUVs within the weighted bunker. 9. A system for deploying cable comprising: the AUV of claim 1; and a sensor array comprising fiber optic cable having a plurality of sensors arrayed on the cable. 10. The AUV of claim 1 wherein the AUV includes a controller to change net buoyancy. 11. The AUV of claim 1 including a compressed gas system adapted to produce flood and blow cycles. 12. The AUV of claim 1 including a mechanical pump adapted to produce flood and blow cycles. 13. THE AUV of claim 1 including a chemical gas generator to produce flood and blow cycles and thereby change buoyancy. 14. The AUV of claim 10 wherein the controller changes the net buoyancy using an essentially noiseless orifice and valve system. 15. The AUV of claim 10 wherein the controller changes the net buoyancy using means to control fluid flow rates of flood and blow cycles so as to minimize noise. 16. The AUV of claim 10 further including means to calculate and compensate for changes to the center of buoyancy of the AUV as the cable is deployed and weight within the housing is reduced. 17. A system for deploying cable comprising: the AUV of claim 1; and a cable having a first end connected to the AUV and a second end connected to a deployment platform. 18. The AUV of claim 1 further including means to determine location and deployment tracking direction from a global positioning system. 19. The AUV of claim 1 wherein the AUV is adapted to be positioned in the body of water by a submarine. 20. The AUV of claim 1 wherein the AUV is adapted to be expendable and to function as an anchor for the cable at the end of cable deployment.