| Acronym | Meaning |
| MST | Mesospheric/stratospheric/tropospheric |
| EMSES | Electromagnetic Modeling And Simulation Environment For Systems |
| TAGS | Text And Animation Graphics Server |
| NM | Network Management |
| IEEE | Institute Of Electrical And Electronic Engineers |
| SSB | Soaring Society Of Boulder |
| AIAA | American Institute Of Aeronautics And Astronauts |
| ATM | Apollo Telescope Mount |
| ACNFS | Advisory Committee On Nuclear Facility Safety |
| ALDF | Animal Legal Defense Fund |