Vice Admiral Johnny Wolfe told Congress the Navy is working to improve and develop three critical weapons systems.

But the sweeping deal, which will see Australia buy nuclear-powered submarines from the United States, is just about the only thing not up for debate ahead of Saturday's closely fought election.

The Dreadnought was the United Kingdom’s first nuclear-powered submarine, developed urgently in response to rising nuclear threats. Due to limited domestic capability, the UK partnered with the ...

But the sweeping deal, which will see Australia buy nuclear-powered submarines from the United States, is just about the only thing not up for debate ahead of Saturday's closely fought election.