Who is William Coster in Ace Combat 8?
William Coster is one of the three named Joker Flight comrades who fly with the player.
Confirmed explanation
He appears within the campaign’s squad relationship structure alongside Ellington Baxter and Tasha Severskya. The first-person intermissions are designed to make these allies more than anonymous wingmen.
What is not confirmed yet
His aircraft, biography, voice actor and possible campaign fate have not been fully published.