During the Scrin invasion, Cologne was thought to not have much importance to the invaders, but they attacked with lots of strength. Fortunately, he survived and his men put up a short, bloody fight. After the Tiberium silos were destroyed and spread Tiberium everywhere, his heart sank and he was forced to order a retreat.
Elliot Gruber is mentioned in the Intelligence Database.
- Electronic Arts Los Angeles, Command & Conquer 3: Tiberium Wars. GDI Eyewitness Accounts, "GDI Field Recon - the Fall of Cologne".