I love the animation but the story... Equal parts impressed and disappointed with this.
"This is a hybrid of traditional computer graphics and animation produced by the study director Robot Kunio Kato (La maison en petits cubes). The mecha design is veteran Kunio Okawara while the acclaimed composer Yoko Kanno (Cowboy Bebop, Macross Frontier, Escaflowne, Ghost in the Shell Stand Alone Complex) has treated the music. The date of issue of the film and its size distribution are still undetermined.
The history of Ring of Gundam is set in an era long after the events of the first Gundam series and the "One Year War" well known to fans of the saga.
In this scenario, a giant ring of 600 kilometers in diameter fluctuates in lunar orbit. The forces of the Earth Federation come across an object named "Beauty Memory" hidden in a massive rocky plateau on Earth: the keywords of the story are "The Memoirs of Amuro" ...
A preview of the video was presented during the Big Gundam Expo held between 20 and 23 August at the Tokyo Big Sight convention center, as part of celebrations for thirty years of Gundam. The video is now online over 5 minutes long and seems complete."
Here's the source.