Board Thread:General Discussion/@comment-4436775-20130713014204/@comment-1824272-20131018014022

Okay, so it doesn't appear to actually be a standalone mission. It looks like it's another of the random events that Kono mentioned. Randomly during a mission, there could be a meteroite fall.

Ace Combat Infinity page is updated with the new info. November 7 - 13, 2GB of free space required. No knowledge on if this is multiplayer-only or region-locked to Japan or something.