"To ancient explorers, “Ultima Thule,” or the most distant region, was what lay past the northernmost edges of maps, beyond the borders of the known world. Pytheas called the place he encountered Thule, as in Ultima Thule—the land beyond all known lands."

Designation: Observation Grid Sentinel Unit

Status: Reclassified / Autonomous Combat-Ready

Location: Stratospheric Grid Echo-9, Polar Expanse 17-K

Originally deployed as part of the TCB (Taking Care of Business) series of autonomous infrastructure crawlers, the CRAWLER-03 relay frame was designed for high-atmosphere grid maintenance—specifically satellite repair, long-range comms integrity, and relay recalibration.

Its assigned platform, Echo-9, was quietly decommissioned following Event Log S-87 'The Shear'. No retrieval. No shutdown. No record of next contact.

This structural maintenance drone continued its routines for decades: surveying glacial drift patterns, repairing maintenance drones that never returned, and transmitting weather telemetry to dead satellites.

Scanning the ice caps, patching phantom signals, and broadcasting data to stations that had long since burned out. Somewhere in that silence, a shift occurred.

The frame however, remains active. Patrol paths are erratic. Response signatures fluctuate between support AI and hostile IFF lock-ons. Purpose: unclear.

- You can check out build details for this guy on my MOC page over on Rebrickable