With this downloadable content, the YF-23 Black Widow II can now be used in free missions and competitive online. Selected as a finalist for the ATF (Advanced Tactical Fighter) competition, this demonstrator aircraft possesses both superior stealth performance and high speed flight performance. *This item contains the same data featured in Compatibility Pack 7. After downloading this item, you do not have to download Compatibility Pack 7. Produced under a license from Northrop Grumman Systems Corporation. YF-23 Black Widow II is a trademark of Northrop Grumman Systems Corporation.