Blogs

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Detecting and Defeating GPS Jamming

By Sean McCrystal 2018-02-16 17:54:00

Positioning and timing have been the foundation blocks for navigation since man first took to the oceans. Since the development of the Global Navigation Satellite System (GNSS) in the late 1970s, position, navigation and timing (PNT) based on satellite input...

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Robots Raise Secrets of the Sea From the Depths

By MarEx 2018-02-09 17:42:00

The mysteries below the ocean’s surface have inspired human exploration and imagination for centuries. New marine robotics now make it possible to explore what goes on in the ocean depths. The ocean covers fully two thirds of our planet and...

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Surface-Capable UUV Could Change Ocean Data Collection

By Savaram Ravindra 2018-02-06 21:25:00

Unmanned underwater vehicles (UUVs) have been serving the U.S. Navy for decades in various forms, like remote sending platforms, programmable targets to train anti-submarine warfare (ASW) crews, and remotely-operated mine hunting drones. The Navy is enhancing its utilization of UUVs...

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Naval Shipyard Starts "Innovation Lab" to Drive Tech Adoption

By Navy Live 2018-02-06 16:18:00

Norfolk Naval Shipyard employees clad in exoskeletons for work in the drydock. Workers surveying an augmented reality 3-D model in advance of a shipcheck. Workers using laser ablators that can zap rust from a bulkhead in a matter of seconds. ...

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Grand Bahama Shipyard Predicts a Record Year

By MarEx 2018-02-01 20:53:00

Last year, Grand Bahama Shipyard (GBS) dry docked 23 cruise vessels for the biggest players in the industry. For most projects, the scope of work included significant propulsion and technical systems overhauls, hull treatment, accommodations and public spaces upgrades and...

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No Drydock Needed

By Subsea Global Solutions 2018-01-26 21:51:00

[Advertorial] In November, a fully loaded bulk carrier contacted Subsea Global Solutions (SGS) with a shaft seal issue. They reported that they were losing all stern tube oil into the vessel and were experiencing heavy water ingress through the forward seal system into the...

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Using Lasers to Rebuild Pistons

By MarEx 2018-01-15 16:40:14

On Monday, Wärtsilä announced that its service division has developed a way to recondition large bore 2-stroke engine pistons using robot-controlled lasers. The firm says that robotized laser cladding can significantly increase the service life of piston heads compared with...

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Handling Multiple Unmanned Vessels Under Way

By MarEx 2018-01-08 05:10:32

As unmanned systems grow in importance for commercial and government operations, vessel operators face an age-old problem for small-boat ops: how do you safely handle launch, recovery and storage while under way? And how can you maximize sea state margins?...

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Foreship: One Third of Ships Will Use Scrubbers by 2030

By MarEx 2017-12-18 21:35:43

Shipowners weighing up their fuel choices after the 2020 IMO sulfur cap may wish to consider oil company expectations that about a third of commercial shipping will gravitate back to high sulfur fuel oil by 2030, according to naval architecture and...

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Automated Celestial Navigation for the Navy

By CIMSEC 2017-12-13 21:23:47

[By LTJG Kyle Cregge, USN] In response to the four recent mishaps in the Western Pacific, the U.S. Navy Surface Force is going through a cultural shift in training, safety, and mission execution. The new direction is healthy, necessary, and welcomed...

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