| Acronym | Meaning |
| HALIFF | N/A |
| ESTP | Exploratory Shaft Test Plan |
| TOSS | Tiros Operational Satellite System |
| AESD | Advanced Energy System Division |
| GCCM | Global Carbone Cycle Modeling |
| DCC | Direct Connect Service |
| ETC | Estimate Time To Complete |
| VTPR | Vertical Temperature Profile Radiometer |
| NIPR | National Institute For Polar Research |
| DWB | Developers Workbench |