Force H has just pulled off a humiliating bombardment of the Italian Coast at Genoa & an air attack at La Spezia. Aerial recon provides Italy a chance at revenge.
Mikawa is spotted Early. Japanese cruiser force is identified heading down the slot. They will take the Guadalcanal beachhead in a night action if they are not stopped by the allied cover force.
Despite carrier losses, the Japanese proceed with their invasion plans. Admiral Crace has been dodging land based air attacks for days & remains in position to intercept.