Photo: Despite the modern navigation technology on board, the officers of the US Navy are once again training in the use of the sextant, US Navy/Navcent

Photo: Despite the modern navigation technology on board, the officers of the US Navy are once again training in the use of the sextant, US Navy/Navcent

Digital ghost fleet: AIS spoofing in the Gulf of Finland

Massive navigation event raises questions about strategic ambiguity and hybrid warfare - 40 phantom warships 

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