The UK not having to build their own SLBM is probably a good thing given the current state of their military procurement. At least from all the bad stories I've heard via the news. Just one less thing they have to worry about so they can focus on other stuff.

I’ll never forget after de Gaulle ordered all American soldiers out of France, US Sec of State Dean Rusk retorted “Does your order include the bodies of American soldiers in France's cemeteries?"

To be honest, most central Europeans would not have been too happy with France's early nuclear strategy. Basically just shooting a-bombs into a corridor along the Rhine to stop the Soviets