This submarine doesn't need any explanation. If you read the comments there, it's just breathtaking. You can easily see why this is a an art of war. This literally changed the world of war and the acts of what nations would do.
SUBIC BAY, Philippines (Nov. 10, 2011) The Virginia-class submarine USS Texas (SSN 775) moors alongside the submarine tender USS Emory S. Land (AS 39) in Subic Bay, Philippines, for the first coordinated mooring by Emory S. Land with a Virginia-class submarine.
GROTON, Conn. (Sept. 11, 2013) The Virginia-class attack submarine Pre- Commissioning Unit (PCU) North Dakota (SSN 784) is rolled out of an indoor shipyard facility at General Dynamics Electric Boat in Groton, Conn. North Dakota is scheduled to be christened Nov. 2
The Virginia class (or SSN-774 class) of attack submarines are the first U.S. subs to be designed for a broad spectrum of open-ocean and littoral missions around the world. Description from underwateriron.blogspot.com. I searched for this on bing.com/images