Battle of DM-3-1123 b

The Battle of DM-3-1123 b was a ground and naval battle in the Forerunner-Flood War.

The Flood attacked the planet with 149 captured non-military Forerunner vessels, and while the Forerunner defense navy was able to destroy all the Flood vessels, the sole intent of the Flood was not to fight an orbital battle, but rather, to land on the surface and disperse their forces to infest the local Forerunner population. While disorganized, the sheer number of landed Flood overwhelmed the Forerunner ground armies, and within 32 hours, the Forerunner fleet in orbit evacuated all population centers that had not yet been engaged by the Flood attack, and bombarded the planet from orbit, completely destroying the biosphere of DM-3-1123 b. The Forerunner evacuation was only able to save ~.0006% of the planet's total population of 226 billion beings.