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01 Dec 16. Exponaval 2016: Leonardo unveils ATAS low-frequency towed array sonar. Leonardo displayed its new low/medium frequency active towed array sonar solution at Exponaval 2016, and revealed an initial two customers for the system. The new Active Towed Array Sonar (ATAS) system comprises a towed body with the active source frequency transducers, an in-line passive towed array, and the associated handling system, console, processing, and electronics systems. The ATAS system was designed to address requirements for a new surveillance and torpedo detection capable system to equip the Italian Navy’s Pattugliatori Polivalenti d’Altura (PPA) multi-purpose offshore patrol vessels. According to Leonardo, all seven PPA vessels on order from Fincantieri are to receive the ATAS. (Source: IHS Jane’s)
01 Dec 16. Technology Takes Over Flight of Attacking Drones. A number of government agencies are working with industry to develop an emerging technology designed to take over the signal of attacking enemy drones, enforcing perimeter security at sensitive U.S. sites and Forward Operating Bases in high-risk combat zones.
“We go after the drone signal, not the frequency,” Johnathan Hunter, CEO, Department 13 International, told Defense Systems in an interview.
The technology, called Mesmer, does not “jam” an attacking drone but rather manipulates its protocol, at times allowing users of the system to completely take over flight of the drone.
IP protocol can be amended to adhere to new connections and controls, permitting Mesmer to take over control of approaching enemy drones.
There are seven layers of protocol used by computers, drones and software programmable systems to communicate with one another. Changing a “bit” or two from a “one” to a “zero,” for instance, can reconfigure a drone signal so that it can only communicate with its new controller, Hunter explained.
Hunter said Mesmer was used to take down a drone in a demonstration in March of last year, and has recently been shown to various U.S. military, law-enforcement and federal government agencies.
“With protocol manipulation, you have complete control over the drone. You can hover, land, start sending it home or even fly the drone. When you jam, you jam all the frequencies used by that drone. We only affect the signal of the drone,” Hunter said.
The Pentagon’s research arm, DARPA, the Department of Homeland Security, Department of State and Department of Justice are among the federal agencies currently observing testing and development of Mesmer.
The technology can work by drawing from industrial scientific medical bands emitting RF signals typically reserved for non-telecommunications oriented activities, such as certain scientific and industrial tasks.
Mesmer was also used last year as part of a U.S. military exercise called “Black Dart” designed to assess a range of counter-drone technologies in tests at Point Magu Naval Base in Ventura, Calif.
Also, Department 13 is now working on a response to a DARPA solicitation for a next-generation Mesmer-like technology, Hunter explained.
Despite the promise of Mesmer, the technology only works upon the protocols used by “known” drones and would likely be ineffective against signals emitted by unknown enemy drones such as those from certain potential adversaries around the globe.
At the moment, Mesmer can access and take over the signal of at least 10 drones as part of their system, a number which represents about 75 percent of the marketplace, Hunter said. Within six months, Department 13 plans Mesmer to have an ability to take over 90 percent of known commercial drones.
Mesmer uses a library-based system that it is focused on domestic security and various commercial markets applications. The company is developing a catalogue of foreign drones of systems from some likely en