The ageing Collins-class submarines have been added to a Defence Department watch list for reliability and maintenance woes, ...

The U.S. Navy is constantly churning out new ships and submarines to add to its ranks, each outfitted with the newest technology and defense systems. Here, 24/7 Wall St. is taking a closer look at ...

In 2005, the USS San Francisco, a U.S. Navy nuclear-powered attack submarine, collided with an uncharted undersea mountain at high speed near Guam. The impact severely damaged the submarine's ...