KIDOU SENSHI GUNDAM G40

U.C. 0079 - A squadron of Zakus from the Principality of Zeon invades a neutral space colony. Amuro Ray reluctantly pilots the Gundam G40 prototype mobile suit to combat the threat, as well as Zeon ace pilot Char Aznable and his custom red Zaku II. (Short animated feature released to promote the High Grade 1/144 scale Gundam G40 model kit and to commemorate the 40th anniversary of the Gundam franchise.) (Source: Anime News Network) — Description from AniList community (anilist.co).