The first mine shattered the air with a sound like a ledger falling closed. Men stilled. The prototype shuddered and did what 1175‑41 had taught it—folded like a creature that knew it mustn't panic. He dismounted, hands on the hull, fingertips finding the places he'd fixed months ago. He spoke to it aloud for the first time, not names but thanks. The machine replied weirdly, a whistle through a vent, as if the metal had heard the gratitude.