| Acronym | Meaning |
| GSFC | Goddard Space Flight Center |
| FRC | Flight Research Center |
| RNGC | Revised New General Catalog |
| CMBR | Cosmic Microwave Background Radiation |
| HERA | Hermes Robotic Arm |
| ISO | International Standards Organization |
| AACS | Attitude And Articulation Control Subsystem |
| IR | InfraRed |
| SSRMS | Space Station Remote Manipulator System |
| SAGA | Solar Array Gain Augmentation |