The following is a list of translight engines used by the United Nations Space Command. * M68 Slipspace Drive Speed - 7.5-7.9 lightyears per day Introduced - 2561 * M70 Slipspace Drive Speed - 16.1-16.4 lightyears per day Introduced - 2595 * M72 Slipspace Drive Speed - 33.9-34.2 lightyears per day Introduced - 2633 * M74 Slipspace Drive Speed - 146.6-146.8 lightyears per day Introduced - 2642 * M76 Slipspace Drive Speed - 224.9-225.0 lightyears per day Introduced - 2693