| Acronym | Meaning |
| WERC | World Environment And Resources Council |
| FICA | Federal Insurance Contributions Act |
| LRU | Line Replaceable Unit |
| EV | Earned Value |
| GKS | Graphic Kernal System |
| CDW | Critical Design Walk-through |
| DD | Dated |
| UI/UM PRICE | Unit Of Issue/Unit Of Measure Price |
| UTC | Universal Time Coordinate Or Coordinated Universal Time |
| AEE | Alliance For Environmental Education |