HMS Anson, the latest and highly advanced submarine of the Royal Navy, is almost ready to kick-start her career after successful trials off the U.S. East Coast and in the Caribbean Sea.
It is the fifth sub of the Astute Class, which includes other submarines—the Astute, Artful, Ambush, and Audacious.
These submarines can remain underwater for long periods, producing their own oxygen and water for the crew members.
These hunter-killer submarines are...