| Acronym | Meaning |
 | ATOG | Abnormal Test Procedure Operator Guidelines |
 | AORD | Astronaut Operations Requirements Document |
 | HI | Human Interface |
 | FPS | Fast Packet Switch |
 | LTER | Long-Term Ecological Research Program |
 | ISG | Immersion Sensing Group |
 | IRD | Interface Requirements Document |
 | SSC'S | Sudden Storm Commencements |
 | MPR | Advanced Microwave Precipitation Radiometer |
 | MASNET | Mainframe And Server Network |