| Acronym | Meaning |
| ASED | Atom Superposition-electron Delocalization |
| NCLAN | National Crop Loss Assessment Network |
| SSUSI | Special Sensor UV Spectrographic Imager |
| PISCES | Passive In-Situ Concn. Extn. Sampler |
| SAMS | Stratospheric And Mesospheric Sounder |
| HEXS | High-energy X-ray Scattering |
| NICE-OHMS | Noise-immune Cavity-enhanced Optical Heterodyne Molecular Spectroscopy |
| ARS | Autonomously Replicating Sequence |
| BMDO | Ballistic Missile Defense Organization |
| NUCEF | Nuclear Fuel Cycle Safety Engineering Research Facility |