| Acronym | Meaning |
 | HERA | Hermes Robotic Arm |
| CCAFS | Cape Canaveral Air Force Station |
| CMBR | Cosmic Microwave Background Radiation |
| ISO | Infrared Space Observatory |
| LAGEOS | Laser Geodynamics Satellite |
| LERC | Lewis Research Center |
| LM | Lunar Module |
| BBXRT | Broad-Band X-Ray Telescope |
| JPL | Jet Propulsion Laboratory |
| PEM | Payload Electronics Module |
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