Brazilian shipbuilder Itaguaí Construções Navais (ICN) launched the third unit of the Riachuelo-class diesel-electric attack submarine (SSK), S (S42), on 27 March. Tonelero S was launched on 27 March. Tonelero The launch of the S (S42) SSK b.
UK ship design house Steller Systems has performed sea trials of a subscale concept demonstrator intended to prove a novel hullform that could be exploited as the basis for a future high-speed offshore insertion craft. A screenshot showing t.