宇宙(そら)、閃光の果てに…―機動戦士ガンダム外伝, Mobile Suit Gundam Side Story From Encounter in Space, Sora, Senku no Hate ni..., Space, at the End of a Flash... Mobile Suit Gundam, Uchuu (Sora), Senkou no Hate ni - Kidou Senshi Gundam
The events chronicled in this manga are also depicted in its own campaign in the Gundam: Meguriai Sora game for Playstation 2 (released in the US as Gundam: Encounters in Space), as well as a novel by Kazuki Miyamoto.
Some of the characters are seen briefly in Mobile Suit Gundam: Lost War Chronicles manga.