Thrust: 635 N (142 lbf). Specific impulse: 318 s.
| LEROS-1C Liquid propellant apogee engine manufactured by Moog. |
| LEROS-2B Liquid propellant apogee engine manufactured by Moog. |
| LEROS-4 High thrust liquid propellant apogee engine developed by Moog for the European Space Agency’s (ESA) Mars Robotic Exploration Program. |