| Acronym | Meaning |
| MM90 | N/A |
| AF | Auxiliary Feed |
| BOD | Beneficial Occupancy Date |
| ISTP | International Solar Terrestrial Program |
| FHWA | Federal Highway Administration |
| PACLAT | Pacific Latitudinal Distribution Of Photochemical Trace Species |
| EROS | Earth Resources Observation System |
| DAIRS | Differential Absorption Infrared Sensor |
| SCM | Stratospheric Circulation Model |
| OSPF | Open Shortest Path First |