Brest Rendezvous

Background
In 1805, the Napoleonic War of the Third Coalition is raging on. Napoleon plans an invasion of Great Britain, which only fails due to the French and Spanish decision to turn back and not rendezvous at Brest after a loss at the Battle of Cape Finisterre. But what if there was no loss? What if the Battle of Cape Finisterre resulted in a decisive victory for the French and Spanish forces? What if Napoleon's invasion of Great Britain commenced?

Timeline (Brest Rendezvous)