Unmanned surface vehicle
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Unmanned surface vehicles (USV) or autonomous surface vehicles (ASV) are vehicles that operate on the surface of the water (watercraft) without a crew.
USVs are valuable in oceanography, as they are more capable than moored or drifting weather buoys, but far cheaper than the equivalent weather ships and research vessels, and more flexible than commercial-ship contributions. Wave gliders, in particular, harness wave energy for primary propulsion and, with solar cells to power their electronics, have months of marine persistence for both academic  and naval applications. 
- Fleet-class USV
- Piranha Unmanned Surface Vessel
- Protector USV
- Spartan Scout
- Unmanned water vehicle Piraya
- UAPS20 Unmanned AutoPilot System
- Springer USV 
- U-RANGER* USV 
- Liquid Robotics
- Silver Marlin
- USV Bonefish 
|Wikimedia Commons has media related to Unmanned surface vehicle.|
- Stevens Institute of Technology student USV
- "Wave glider research platform"
- Wired article
- "Autonomous Navigation and Obstacle Avoidance of Unmanned Vessels in Simulated Rough Sea States - Villanova University"
- "An experimental setup for autonomous operation of surface vessels in rough seas"
- "Naval Postgraduate School Program"
- "Information Dissemination"
- http://fr.jpost.com/servlet/Satellite?cid=1254673318745&pagename=JPost/JPArticle/ShowFull Jerusalem Post, 4 Oct 2009
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