| Acronym | Meaning |
![](file.png) | DEDA | Data Entry And Display Assembly |
![](file.png) | DEE | Digital Events Evaluator |
![](file.png) | DEF | Definition |
![](file.png) | DEFL | Deflect |
![](file.png) | DEG | Degree |
![](file.png) | DEI | Design Engineering Identification |
![](file.png) | DEIS | Design Engineering Inspection Simulation |
![](file.png) | DEIS | Design Evaluation Inspection Simulator |
![](file.png) | DEL | Deliver |
![](file.png) | DEL | Deorbit |
![](file.png) | DELTA-T | Difference In Temperature |
![](file.png) | DEMOD | Demodulate |
![](file.png) | DEMUX | Demultiplexer |
![](file.png) | DEORB | Deorbit |
![](file.png) | DEPL | Deploy |
![](file.png) | DEPRESS | Depressurize |
![](file.png) | DEPT | Department |
![](file.png) | DER | Drawing Error Report |
![](file.png) | DERIGID | Derigidize |
![](file.png) | DES | Descend |
![](file.png) | DES | Data Exchange System |
![](file.png) | DESAT | Desaturated |
![](file.png) | DESC | Descent |
![](file.png) | DESIG | Designate |
![](file.png) | DESPOT | Design Performance OPtimization |
![](file.png) | DEST | Destination |
![](file.png) | DET | Detail |
![](file.png) | DET | Detent |
![](file.png) | DETN | Detection |
![](file.png) | DETR | Detector |
![](file.png) | DEU | Display Electronic(s) Unit |
![](file.png) | DEU | Display Electronics Unit |
![](file.png) | DEV | Develop |
![](file.png) | DEVN | Deviation |
![](file.png) | DEW | Distant Early Warning |
![](file.png) | DF | Development Flight |
![](file.png) | DF | Development-Forward |
![](file.png) | DF | Direction Finder (Finding) |
![](file.png) | DF | Disassembly Facility |
![](file.png) | DF | Display Functions |
![](file.png) | DF-SPE-A | Shuttle Project Engineering Office |
![](file.png) | DFCS | Digital Flight Control Software (System) |
![](file.png) | DFE | Data Flow Engineer |
![](file.png) | DFE | Direction Finding Equipment |
![](file.png) | DFG | Display Format Generator |
![](file.png) | DFI | Development Flight Instrumentation |
![](file.png) | DFI | Development Flight Instrumentation |
![](file.png) | DFR | Defrost |
![](file.png) | DFRC | Hugh L. Dryden Flight Research Center |
![](file.png) | DFRF | Dryden Flight Research Facility |