The U.K. military has shrunk in size, but increased significantly in technology. The Argentine military has shrunk in technology and size.
A single Astute class sub can rain Tomahawks on Argentine targets while sinking (what’s left of) the Argentine navy at leisure.
But has Great Britain replenished their stockpiles of Tomahawk Cruise Missiles? They had and insufficient number during the Libyan “Campaign.” So few they had to borrow some from US Navy. With all their cutbacks, I wonder...