From Halopedia, the Halo wiki
|Political and military information|
Grasping-Steady-Firmament was a naval architect in service of the Forerunner empire. During the closing days of the Forerunner-Flood war, Firmament worked with Lightning-Weaving-Helix to design the Keyship Anodyne Spirit.
- Halo: Warfleet - Page 84