The Type 42 lineage is closer to an air-warfare frigate, while the Type 45 is a more convincing large combatant. The Type 45's scale and air-defense role make the destroyer label more credible, even though its armament was not completed with the land-attack capability that could have strengthened a cruiser comparison. Its engineering problems do not make the whole ship a bad design; they follow a specification failure. Adopting a new engine arrangement without enough backup capacity saved money up front while leaving the fleet to correct the weakness later.
Notable Point · 45:13-46:57
Type 45 capability and engine compromise
The Type 45 emerges as a stronger air-defense ship than its predecessors, but one whose propulsion trouble followed a cost-driven specification choice.