[Rushtalk] Next Generation Anti Submarine Tracking

John A. Quayle blueoval57 at verizon.net
Wed Aug 5 09:47:52 MDT 2015

At 05:05 AM 8/5/2015, Carl Spitzer wrote:
>Hope it doesn't run Windows!!!

         Probably runs Windows 
3.11.................(which, oddly enough, is the 
last completely trouble-free Windows prog that 
never crashed and worked EXACTLY as advertised).  -  jaq

>US Navy to Deploy Robot Ships to Track Chinese and Russian Subs
>Work on the U.S. Navy’s new anti-submarine drone 
>is progressing and that’s bad news for diesel-electric subs.
>  By 
> <http://thediplomat.com/authors/franz-stefan-gady/>Franz-Stefan 
> Gady June 30, 2015 Diesel-electric submarines 
> are cheaper and quieter than their nuclear 
> counterparts and they are rapidly being 
> procured by states opposed to the national interests of the United States.
>While not capable of traveling long distances or 
>at great speed, diesel-electric submarines have 
>the potential to deny the U.S. Navy access to 
>strategic coastal areas and could also interrupt 
>seaborne commerce. Equipped with air-independent 
>propulsion systems and advanced lithium-ion 
>batteries, the next generation of 
>diesel-electric boats will even be harder to 
>track down and destroy in the event of a naval conflict.
>“Picking up the quiet hum of a battery-powered, 
>diesel-electric submarine in busy coastal waters 
>is like trying to identify the sound of a single 
>car engine in the din of a major city,” Rear 
>Admiral Frank Drennan, commander of the Naval 
>Mine and Anti-Submarine Warfare Command, 
>in March 2015.
>Consequently, the United States military has 
>been exploring options for some time now how to 
>best counter this emerging asymmetrical threat.
>Back in 2010, the U.S. Defense Advanced Research 
>Projects Agency (DARPA), an agency responsible 
>for developing emerging technologies for the 
>military’s use, initiated a research project to 
>develop an anti-submarine drone ­ a robot ship 
>capable of tracking enemy subs in shallow waters.
>The prototype of the U.S. Navy’s robot ship, the 
>Anti-Submarine Warfare Continuous Trail Unmanned 
>Vessel (ACTUV), is designed to operate 
>autonomously for 60 to 90 days straight, surveil 
>large stretches of ocean territory and ­ should 
>an enemy sub be spotted ­ guide other U.S. naval 
>assets to the vessel’s location to destroy it 
>(the ACTUV itself is unarmed). The ACTUV 
>prototype, named Sea Hunter, will be ready for 
>extensive sea-trials in the fall of 2015, 
>according to 
>website outlines that the ACTUV’s “objective is 
>to generate a vessel design that exceeds 
>state-of-the art platform performance to provide 
>propulsive overmatch against diesel electric 
>submarines at a fraction of their size and cost.”
>Furthermore, the ACTUV program is trying to 
>fulfill the following requirements:
>  Advance unmanned maritime system autonomy to 
> enable independently deploying systems capable 
> of missions spanning thousands of kilometers of 
> range and months of endurance under a sparse 
> remote supervisory control model. This includes 
> autonomous compliance with maritime laws and 
> conventions for safe navigation, autonomous 
> system management for operational reliability, 
> and autonomous interactions with an intelligent adversary.
>Autonomous compliance with maritime laws 
>requires the correct identification of surface 
>ships and other objects while at sea. DARPA is 
>in the process of developing non-conventional 
>sensor technologies for that purpose and issued 
>a Request for Information (RFI) back in March 2015.
>DARPA program manager Ellison Urban, quoted by 
>explains the rationale behind the U.S. Navy’s push for robot ships:
>  Instead of chasing down these submarines and 
> trying to keep track of them with expensive 
> nuclear powered-submarines, which is the way we 
> do it now, we want to try and build this at 
> significantly reduced cost. It will be able to 
> transit by itself across thousands of 
> kilometers of ocean and it can deploy for 
> months at a time. It can go out, find a 
> diesel-electric submarine, and just ping on it.
>Rushtalk mailing list
>Rushtalk at csdco.com
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