Why a larger Royal Navy begins with people

What should the government and Ministry of Defence do to increase Royal Navy fleet size and construction?

Order more ships, recruit more sailors, and improve pay, accommodation, career progression, and rotations so the larger fleet can actually be crewed.

Ordering ships without recruiting and retaining crews will not create a usable fleet. Retention depends on pay, living conditions, promotion prospects, and family stability. A larger personnel pool also improves rotations and prevents every illness or vacancy from pushing more work onto an already overstretched crew.