India is now part of an exclusive group of nations - including China, France, the United States, Britain and Russia - which own nuclear-powered submarines.
To date, 58 U.S. nuclear submarines have been equipped with Sperry Marine VMS-based navigation systems, and 92 percent of them have been certified to use ECDIS-N as the primary navigation plot.
To date, 58 U. S. nuclear submarines have been equipped with Sperry Marine VMS-based navigation systems, and 92 percent of them have been certified to use ECDIS-N as the primary navigation plot.