21. This engine was later the basis for the propulsion units of Tomahawk and other cruise missiles. 22. When control was subsequently transferred to the engine room, both propulsion units responded normally to commands. 23. There were two of these propulsion units side by side for a total of 8 propellors. 24. The biggest differences between Antares 23 E and Quintus are the fuselages and the propulsion units . 25. The mass of the structure and aluminum alloy shell was about and the propulsion units roughly. 26. When they do, the swarm kills the Cyberplanner, allowing the dying Zheng to activate the propulsion unit . 27. ThyssenKrupp Automotive delivers the entire propulsion unit . 28. Molten lead cooling has been used in naval propulsion units as well as some other prototype reactors. 29. Various OTRAG rockets could be built up from the company's CRPUs ( Common Rocket Propulsion Unit ). 30. The propulsion unit is a turbofan engine.