Water temperature. Current speed. Nothing unusual. He gave the screen a glance every few seconds, then sat down to rest while it gathered the rest of the readings. The silence out here always felt heavier when he wasn’t moving.
He unwrapped a protein bar and leaned back slightly, letting the cold settle into his legs. The drill nearby gave off a faint whirring sound, humming as it bored into the ice. Caleb stared out at the empty white field and chewed slowly, eyes half-lidded. Then came a sharp crack.