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An injector device configured to mount to a predatory unmanned aerial vehicle (UAV) for non-destructively disabling and controlling a threat UAV comprises a rigid housing having a hollow interior. A controllable mount structure attaches the rigid housing to the predatory UAV and aligns the housing o

An injector device configured to mount to a predatory unmanned aerial vehicle (UAV) for non-destructively disabling and controlling a threat UAV comprises a rigid housing having a hollow interior. A controllable mount structure attaches the rigid housing to the predatory UAV and aligns the housing opening with the fuselage or payload of the threat UAV. A rigid penetrator rod disposed in the interior of the housing is configured to pierce the fuselage and hence payload of the threat UAV. A conduit coupled to the penetrator rod enables a disabling substance to be conveyed through the penetrator rod and into the payload of the threat UAV. An ejector propels the penetrator rod from the housing and into the payload of the threat UAV in response to a trigger when the threat UAV is within a predetermined range.

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1. An injector device configured to mount to a predatory unmanned aerial vehicle (UAV) for non-destructively disabling and controlling a threat UAV, comprising: a rigid housing having a proximal end, a distal end, and a hollow interior, the distal end defining an opening for engagement with a threat

1. An injector device configured to mount to a predatory unmanned aerial vehicle (UAV) for non-destructively disabling and controlling a threat UAV, comprising: a rigid housing having a proximal end, a distal end, and a hollow interior, the distal end defining an opening for engagement with a threat UAV;a controllable mount for attaching the rigid housing to the predatory UAV and configured to align the opening with the payload of the threat UAV by controlling an orientation of the rigid housing relative to the predatory UAV;a rigid penetrator rod disposed in the interior of the rigid housing, and configured to pierce a payload of the threat UAV;a conduit coupled to said rigid penetrator rod and configured to enable a disabling substance to be conveyed through said penetrator rod and into the payload of the threat UAV; andan ejector configured to propel said rigid penetrator rod through the payload of the threat UAV in response to a trigger when the threat UAV is within a predetermined range. 2. The device of claim 1, wherein the penetrator rod comprises a body portion and a tipped end adapted to penetrate the skin of the payload of the threat UAV, and further comprising a bore extending through the tipped end and the body portion for conveying the disabling substance to be output via said tipped end. 3. The device of claim 2, further comprising a plurality of barbs disposed on the body portion of said penetrator rod and configured to resist a backward force from withdrawing said penetrator rod when said penetrator rod has pierced the payload of the threat UAV. 4. The device of claim 3, wherein said tipped end comprises a grappling hook. 5. The device of claim 1, wherein said disabling substance is an electrically conductive fluid. 6. The device of claim 1, wherein said disabling substance is a corrosive fluid. 7. The device of claim 1, wherein said disabling substance is an expanding foam. 8. The device of claim 1, wherein said ejector comprises a spring configured to exert a spring-loaded force on said penetrator rod. 9. The device of claim 1, wherein said ejector comprises a pressurized gas chamber operatively coupled to said penetrator rod. 10. The device of claim 1, wherein said ejector comprises an explosive charge disposed in said rigid housing for propelling said penetrator rod. 11. The device of claim 1, further comprising an impact sensor disposed on the rigid housing for sensing impact of the predatory UAV with the threat UAV and generating said trigger. 12. The device of claim 1, further comprising a computer controller configured to controllably position the controllable mount to adjust a relative angle between the rigid housing and the predatory UAV to align the opening with the payload of the threat UAV. 13. The device of claim 12, further comprising a camera aligned with said rigid housing and operative for providing image data to said computer controller for controllably positioning said controllable mount. 14. The device of claim 13, wherein said camera is aligned with a central axis of said rigid housing. 15. The device of claim 11, wherein said impact sensor comprises a touch sensitive trigger. 16. A method of non-destructively disabling and controlling a threat unmanned aerial vehicle (UAV) comprising the steps of: controlling a predatory UAV to intercept the threat UAV;controllably aligning a rigid housing extending from a body of the predatory UAV and containing a penetrator rod, with a target area of the threat UAV;firing said penetrator rod from said rigid housing to pierce the surface of the threat UAV at the target area and lodge within the target area of the threat UAV, in response to a trigger signal;injecting a disabling substance to the interior of the target area of the threat UAV via said penetrator rod lodged there within, wherein the disabling substance disables flight control of the threat UAV;exerting flight control over the threat UAV, via said predatory AUV; andnavigating said threat UAV to a given location for retrieval. 17. The method of claim 16, wherein the step of firing said penetrator rod includes operating an actuator, responsive to receiving said trigger signal, which performs an action which propels said penetrator rod in a direction of the target area of the threat UAV. 18. The method of claim 17, wherein operating said actuator comprises detonating an explosive charge. 19. The method of claim 17, wherein operating said actuator comprises releasing a spring which is biased to exert a spring-loaded force on said penetrator rod, wherein upon release of said spring, said penetrator rod is propelled in the direction of the target area of the threat UAV. 20. The method of claim 17, wherein operating said actuator comprises opening a valve of a pressurized chamber to release a gas under pressure, wherein expansion of said gas under pressure propels said penetrator rod in the direction of the target area of the threat UAV. 21. An auto-injector device for use with a predatory unmanned aerial vehicle (UAV) to non destructively disable and control a threat UAV, comprising: a penetrator rod having a hollow core and an orifice proximal to a point of said penetrator rod, configured to pierce a fuselage of the threat UAV;a cylindrical body having an open end, configured to hold said penetrator rod;a pressurized volume of a disabling fluid, coupled to said hollow core of said penetrator rod and configured for conveyance through the penetrator rod to the orifice for delivery to the fuselage of the threat UAV;a propulsion mechanism for propelling said penetrator rod out from said cylindrical body via said open end upon receiving a deployment signal; anda controllable mount for attaching said auto-injector device to the predatory UAV configured to control an angle of approach of said auto-injector device relative to the predatory UAV as the predatory UAV closes on the threat UAV. 22. The device of claim 21, wherein upon penetration of the penetrator rod of the predatory UAV into the fuselage of the threat UAV, said cylindrical body rigidly positions said predatory UAV relative to said threat UAV to produce a combined airfoil configuration comprising a fixed wing of the predatory UAV and a fixed wing of the threat UAV.