Please expand information about Ace Combat 6: Fires of Liberation.

From Ace Combat Wiki

The X-02 Wyvern is an aircraft in the Ace Combat game series. It features the Grumann "switchblade" wing design. It is featured in Ace Combat 4: Shattered Skies, Ace Combat 5: The Unsung War, Ace Combat Zero: The Belkan War, and Ace Combat X.