Ace Combat SS: The Young Yellow

 was the working title for a concept of an unreleased Ace Combat game on the. The game's concept was rediscovered by Kazutoki Kono in March 2015, while going through old files on his computer.

Trivia

 * "The Young Yellow" implies that the game would have been centered around Yellow 13 and his activity prior to the Second Usean Continental War depicted in Ace Combat 04: Shattered Skies.
 * Given that the game never passed the concept stage, it is likely to never be fully developed or released.