Teledyne Technologies conducted an anti-submarine warfare (ASW) demonstration in waters off Iceland, deploying autonomous underwater vehicles equipped with a range of acoustic and communications technology.

The demonstration, which took place from 17 to 22 January, was hosted at Teledyne’s Gavia facility in Kópavogur. Several Nato member states attended to observe the trials.

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The operation used the Slocum Sentinel Glider, which carried a 60-metre (m) passive acoustic towed array, and the Slocum G3 Glider, equipped with integrated Teledyne Benthos acoustic communications.

It also involved two Advanced Profiling Explorer floats fitted with ambient noise passive acoustic monitoring.

With support from the Icelandic Coast Guard, the team deployed these gliders into the Greenland-Iceland gap using the Coast Guard ship ICGV Þór.

During the demonstration, the Sentinel Glider’s towed hydrophone array was used to detect surface and subsurface vehicle noise.

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The gliders, which are capable of silent travel to depths of 1,000m, gathered acoustic data and formed a detection barrier for undersea activity.

Teledyne also demonstrated that its glider could acoustically retrieve data from a sea-bottom node deployed during the demonstration.

The team recovered simulated mission data from the node in real time and later transmitted it by satellite to Mission Operations Control Centres in Iceland and the UK.

Teledyne president and CEO George Bobb said: “We are pleased to be demonstrating this technology which helps address a critical issue for global security. We are excited to show what is possible with proven, mature, commercial technology currently in use by Nato militaries.”

Teledyne also established a Remote Operations Centre in partnership with the National Oceanographic Centre (NOC) in the UK, where it maintains a European glider service and repair centre.

Operators piloted gliders simultaneously from both Iceland and NOC facilities. Data collected from subsea nodes was made available at each operations centre.

Teledyne Marine chief operating officer Brian Maguire said: “Teledyne already has a large footprint in the UK with 18 principal facilities and approximately 2,600 employees. We are investing even more significantly to bring autonomous technology to the Ministry of Defence and the Royal Navy.”