User blog comment:WolfgangBSC/Wolfgang's Random Chat Room/@comment-10905876-20150401134403/@comment-24142455-20150401135543

The Spitifre MK II was within the Supermarine Spitefire type fighter. Spitfire II would be a different fighter. think of Spitfire MK II like a variant (ex. P-51B, C, D)