The country has nuclear submarine and weapons programmes, too.
Times, Sunday Times (2007)
He unashamedly backed drone strikes and four new Trident nuclear submarines to protect Britain.
The Sun (2015)
Rolls is best known for manufacturing aircraft engines but already carries out inspections of the miniature reactors used to power Britain's nuclear submarine fleet.
Times, Sunday Times (2011)
But the biggest concern for western military chiefs is likely to be Russia's heavy investment in nuclear submarines and a new generation of nuclear weapons.