Explosive tests will send aircraft carrier to bottom of Atlantic George Widman / AP fileThe aircraft carrier USS America will become the largest warship ever sunk. WASHINGTON - The Navy plans to send the retired carrier USS America to the bottom of the Atlantic in explosive tests this spring, an end that is difficult to swallow for some who served on board. The Navy says the effort, which will cost $22 million, will provide valuable data for the next generation of aircraft carriers, which are now in development. No warship this size or larger has ever been sunk, so...