Not that easily! The UK felt compelled to (re)build its own, independent nuclear capability after WWII when the Americans cut off technology sharing from the M

Not that easily! The UK felt compelled to (re)build its own, independent nuclear capability after WWII when the Americans cut off technology sharing from the Manhattan Project. This was especially annoying from an ally which had learned much of the foundation essential to the endeavour from British Tube Alloys research. France saw this happen and drew a very similar conclusion.