During war games played off the coast of Florida last year, a nuclear-powered French attack submarine, Saphir, eluded America’s sub-hunting aircraft and vessels with enough stealth to sink (fictitiously) a newly overhauled American aircraft-carrier, Theodore Roosevelt, and most of her escort. An account of the drill on a French defence-ministry website was promptly deleted, but … Continue reading New Tech Makes Submarines Quieter, Western Navies Face ASW Gap