tag:blogger.com,1999:blog-2810814791836407713.post3901693107174125625..comments2024-03-27T00:29:11.029-07:00Comments on China Air and Naval Power: Other new Chinese military projectsUnknownnoreply@blogger.comBlogger1125tag:blogger.com,1999:blog-2810814791836407713.post-5133287285117667552013-12-11T10:35:40.138-08:002013-12-11T10:35:40.138-08:00What about concrete submarines? Concrete, especia...What about concrete submarines? Concrete, especially if reinforced with steel, can withstand far greater pressures than steel alone. Since concrete is essentially tougher, compressed sand, it would be far more difficult for a sonar to detect. It is for these reasons that the USSR was rumoured to have built a prototype shell, with the eventual goal of building fleets capable of lurking on the ocean floor.DLF1977https://www.blogger.com/profile/09496351532148996088noreply@blogger.com