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| 3DMA | Three-dimensional Microgravity Accelerometer |
| a | acceleration magnitude |
| APU | auxiliary power unit |
| ATCS | Active Thermal Control System |
| BDPU | Bubble, Drop and Particle Unit |
| CG | Center of Gravity |
| DLR | German Aerospace Research Establishment (German acronym) |
| DMT | Decreed Moscow Time (ddd/hh:mm:ss) |
| DSO | Detailed Supplementary Objective |
| DTO | Development Test Objective |
| EEPROM | electrically eraseable programmable read only memory |
| EORF | Enhanced Orbiter Refrigerator/Freezer |
| EVIS | Ergometer Vibration Isolation System |
| FCS | Flight Control System |
| FES | Flash Evaporator System |
| fc | Cutoff frequency (Hz) |
| fN | Nyquist frequency (Hz) |
| fs | Sampling rate (samples per second) |
| go | Earth's gravity acceleration level at sea-level (9.81 m/s 2) |
| GBX | glovebox |
| GMT | Greenwich Mean Time (day/hour:minute:second) |
| Hz | Hertz |
| ILRD | interlimb resistance device |
| IML | International Microgravity Laboratory |
| IVIS | Inertial Vibration Isolation System |
| JSC | NASA Johnson Space Center |
| KSC | NASA Kennedy Space Center |
| LeRC | NASA Lewis Research Center |
| LV / LH | Local Vertical / Local Horizontal |
| LMS | Life and Microgravity Spacelab |
| LSLE R/F | Life Sciences Laboratory Equipment Refrigerator/Freezer |
| MEPHISTO | Materials for the Study of Interesting Phenomena of Solidification on Earth and in Orbit |
| µg | microgravity (1/1,000,000 of go) |
| MET | Mission Elapsed Time (day/hour:minute:second) |
| mg | milligravity (1/1,000 of go) |
| MMA | Microgravity Measurement Assembly |
| MMAP | Microgravity Measurement and Analysis Project |
| MMD | Microgravity Measuring Device |
| MPESS | Mission Peculiar Equipment Support Structure |
| MSAD | Microgravity Science and Applications Division |
| MSD | Microgravity Science Division |
| NASA | National Aeronautics and Space Administration |
| NIZEMI | Slow Rotating Centrifuge Microscope (German acronym) |
| OARE | Orbital Acceleration Research Experiment |
| OAST | Office of Aeronautics and Space Technology |
| OMS | Orbital Maneuvering System |
| PAO | Public Affairs Office |
| PCIS | Passive Cycle Isolation System |
| PIMS | Principal Investigator Microgravity Services |
| POCC | Payload Operations Control Center |
| PRCS | primary reaction control system |
| PSD | power spectral density |
| QSAM | Quasi-steady Acceleration Measurement experiment |
| RCS | reaction control system |
| RMS | root-mean-square |
| rpm | revolutions per minute |
| RSS | root-sum-of-squares |
| SAMS | Space Acceleration Measurement System |
| SIMO Dump | simultaneous supply water and waste water dump |
| SOR/F | Sterling Orbiter Refrigerator/Freezer |
| STS | Space Transportation System |
| TDRSS | Tracking and Data Relay Satellite System |
| TEMPUS | electromagnetic containerless processing facility (German acronym) |
| TSH | triaxial sensor head |
| TSS | Tethered Satellite System |
| USML | United States Microgravity Laboratory |
| USMP | United States Microgravity Payload |
| VRCS | vernier reaction control system |
| VV | velocity vector |
| Xh,A,Yh,A,Zh,A | SAMS TSH A axes |
| Xh,B,Yh,B,Zh,B | SAMS TSH B axes |
| Xh,C,Yh,C,Zh,C | SAMS TSH C axes |
| XO,YO,ZO | Orbiter structural coordinate system axes |
| Xb,Yb,Zb | Orbiter body coordinate system axes |
| Xb,Yb,Zb | Coordinate notation for the Mir Base Block axes |