In April Capcom announced that legendary director Mamoru Oshii, of Ghost In The Shell & Avalon fame, was going to direct a short film for Steel Battalion: Heavy Armor. Well, he certainly was directing but this is much more live action trailer than short film It features explosions, mechs and a dog.
http://youtu.be/CNPHbePsGok
You can also watch an introduction by Mamoru Oshii below.
http://youtu.be/_0gdmRIGFDg
Steel Battalion: Heavy Armor is releasing on Xbox 360 and will require Kinect to play. It is due out later this week.
Source: Capcom