The risks of a naval push toward the Yalu

What would make an aggressive Royal Navy operation toward the Yalu so dangerous?

It would commit supporting forces to a difficult riverine interdiction mission where naval gunfire and carrier aircraft faced serious shore resistance.

The proposed operation would send Royal Navy ships toward the Yalu to disrupt Chinese supply crossings. Its danger lay partly in the supporting forces that would have to follow an aggressive commander into confined waters. Warships and carrier aircraft could bring heavy firepower against the supply line, but shore resistance and the geography of the river would expose them in return. The scenario is rated as an even contest rather than an assured success. It shows how a bold interdiction plan can expand from one commander's initiative into a wider commitment for the fleet and its allies.