см.цитату (выделение моё):

The D-Day, 1944 campaign includes 210 missions and the following:

a tactical USAAF campaign stretching from June 6, 1944 to August, 1944 with 56th Fighter Group, 366th FS flying the P47-D.
a tactical RAF campaign from June, 1944 to August, 1944 with 127 Wing, 403 Sqn
for FB+AEP+PF users, a tactical Normandy campaign with 140 missions flying the Spitfire and the Tempest when available.

т.е. на Темпесте в Нормандии можно будет летать, когда он появится в игре.