Rearming transferred Dunkerque-class ships for British supply

Would transferred Dunkerque-class ships benefit from rearmament with British 14-inch guns?

Probably, because British ammunition commonality would avoid sustaining a separate French heavy-gun supply.

The question imagines Dunkerque-class ships joining the Free French side in 1940 and later asks whether British 14-inch guns would be advantageous. The answer leans toward rearmament because continued use of the French main battery would require Britain to obtain and sustain its ammunition. A standardized British calibre would simplify the long-term supply problem for ships operating with the Royal Navy. The short response does not calculate the conversion's structural cost or yard time, so it establishes a logistical preference rather than proving the rebuild practical. The counterfactual highlights how coalition ammunition commonality can shape otherwise unlikely warship modifications.