Would it be a real 26 knots or a Royal Navy 26 knots?

Would the British response make a real 26 knots or only an official Royal Navy 26 knots?

It would officially be rated at 26 knots, although its exact service performance remains uncertain.

The answer commits only to an official rating of 26 knots and leaves the ship's exact service performance uncertain. The target includes a knot of design margin because the tactical requirement is about 25 knots, three faster than Dante Alighieri. Large machinery demands and immature boiler technology make some shortfall plausible even if Britain accepts the cost. The exchange distinguishes a paper requirement from the speed a new ship would actually sustain.