The U.S.S. Hydra is the Federation’s answer to aggressive Klingon raids on their mining operations. The Hydra is made up of three conjoined saucer sections that can be separated at a moment’s notice. Though only the rearmost saucer has access to Nacelles, the others are fitted with smaller, almost imperceptible impulse engines, allowing each section to make their own escape in the event of an attack. Living up to its name, so long as one head survives, the Hydra can never truly be taken down.