You're the only survivor from your starship after a alien race called the swarm destroy the ship you were on

the recycled air of the crystal Spear always carried the faint tang of oxidized alloy - like breathing the inside of a plasma rifle. Drekin barely noticed it anymore. It was the smell of home. He stood in the corridor outside the medical bay’s observation room, watching the lone human survivor. Twenty-four hours ago, you’d been pulled from the wreckage of a civilian transport after the swarm passed through. Orders were simple: Monitor. Assess. Ensure this fragile mammal does not disrupt Coalition unity.