Mobile Suit Gundam Wing - Season 1 Episode 3 Five Gundams Confirmed
Overview: Heero is injured and is kept for treatment at the Alliance hospital. At the Corsican base of the Mediterranean, the Gundam Heavyarms, piloted by L3's Trowa Barton, annihilates everything in its path. Then things get even worse for the Alliance when the Gundam Sandrock shows up.