| Acronym | Meaning |
 | SMASS | Small Main-Belt Asteroid Spectroscopic Survey |
| PA | Panama (ISO 3166 Digram) - Paraguay (FIPS 10-4 Country Code) -Partial Agonist -Pennsylvania (postal Symbol) - Petampere -PolyAmide (Nylon) - Prince Albert Piercing - Public Address (vocal Amplification System) - Public Affairs |
| PDG | President Director General - Product Development Group |
| NAO | UK National Audit Office |
| MSR | Main Supply Route - Module Service Record -Montserrat (ISO 3166 Trigram) -Motor Schlepp Regulung |
| MQ | Martinique (ISO 3166 Digram) - Midway Islands (FIPS 10-4 Territory Code) |
| CATS | Computer Active Technology Suspension |
| OGO | Other Government Organization |
| SALT | Southern African Large Telescope - Strategic Arms Limitation Talks |
| UIC | University Of Illinois At Chicago |
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