Mobile Suit Gundam MS IGLOO: The Hidden One Year War is a oVA anime that premiered in summer 2004, produced by Sunrise.

About the production: the story comes from an original script, there are 3 episodes of about 27 minutes and its current status is "finished".

Its main genres are mecha and sci-fi, with themes such as Real Robot, Full CGI, Military and Space.

On AniList, Mobile Suit Gundam MS IGLOO: The Hidden One Year War has an average score of 59%, an average score, and appears on 5,658 users' lists.

The franchise continues in or follows from: Kidou Senshi Gundam MS IGLOO: Mokushiroku 0079.

The year is Universal Century 0079. Oliver May is a technical officer in the Zeon 603rd Technical Evaluation Unit , in charge of testing new military technology. Stationed in the Jotunheim, a civilian transport ship that was converted into military use, Oliver must head into battle and experience the One Year War, only this time from the perspective of a weapon tester who struggles to make an impact on an evolving war during changing times. (Source: Anime News Network)

Official synopsis from AniList.