Abstract
Coupling Long Range Autonomous Underwater Vehicles (LRAUVs) with Unmanned Surface Vehicles (USVs) addresses two of the key challenges associated with LRAUV missions: lack of real-time communication with the underwater asset and unbounded navigational error growth from dead reckoning. The Autonomous Surface/Subsurface Survey System is coupling the Autosub Long Range (ALR) with unmanned surface vehicles from L3 ASV. Experiments conducted in Loch Ness illustrate the ability of the USV to track the ALR and the enhanced navigational accuracy of the ALR when using acoustic aided navigation. The ability to re-task the ALR while submerged is also demonstrated.
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