| Acronym | Meaning |
 | SBF | Scientific Balloon Facility |
 | WRL | Willow Run Laboratories |
 | PSA | Problem Statement Analyzer |
 | ICH | Inter-Union Commission On The Lithosphere |
 | RPM | Revolutions Per Minute |
 | ALAPCO | Association Of Local Air Pollution Control Officials |
 | EUCLID | European Cooperation For The Long Term In Defense |
 | ALPR | Argonne Low Power Reactor |
 | ACSYS | Arctic Climate System Study |
 | RNG | Renormalization Group |