The Last Station Standing
One by one, the red sensor lights of the drones swept over their viewport, searching for the heat of a living crew.
Elara held her breath. Beside her, she could hear the rapid, shallow breathing of Jun. They were "ghosts" again, hiding in a trench at the bottom of the world.
Suddenly, a heavy thud vibrated through the hull. Something had landed on top of the sub.
"One of the drones," Kazimir whispered, reaching for a heavy pipe-wrench. "It’s attached itself."
"It’s not a drone," Mina gasped, looking at her handheld terminal. "It’s a Magnetic Limpet Mine (a bomb that attaches to a ship's hull using magnets, timed to explode or be triggered remotely)."