User blog comment:Generale wareagle/other 2 f-15 on Valais Air base/@comment-4877696-20120824195027/@comment-1824272-20120824211840

It's an extremely bad angle. But my best guess is that it's the Sapin Air Force (they were part of the Allied Forces). Their roundel, a shield with yellow and blue colors, can be seen on this plane: http://images1.wikia.nocookie.net/__cb20111207055040/acecombat/images/thumb/7/7a/RAFALE_ESPADA_Side.jpg/1000px-RAFALE_ESPADA_Side.jpg