| Acronym | Meaning |
| U.S./JC | United States/Japan Cooperation |
| IOC | Initial Operating Capability |
| ATEX | Atlantic Tradewind Experiment |
| NSI | NASA Science Internet |
| RINEX | Receiver Independent Exchange Format |
| HDLC | High Level Data Link Control |
| OTB | Operations Training Branch |
| GSOP | Ground Systems Operations |
| ANRHRD | Air Noise Radiation Health Research Division |
| ESAD | Earth Science And Applications Division |