| Acronym | Meaning |
![](file.png) | IDWA | Interdivisional Work Authorization |
![](file.png) | IE | Industrial Engineering |
![](file.png) | IEA | Integrated Electronic Assembly |
![](file.png) | IEA | Integrated Electronic Assembly |
![](file.png) | IECS | Igloo Environment Control Subsystem |
![](file.png) | IED | Interacting Equipment Documents |
![](file.png) | IEF | Isoelectric Focusing |
![](file.png) | IEP | Instantaneous Effective Photo Cathodes |
![](file.png) | IF | Integration Facility |
![](file.png) | IFA | In-FlightAnalyses |
![](file.png) | IFASC | Integrated Functions Assessment Steering Committ |
![](file.png) | IFB | Invitation For Bid |
![](file.png) | IFM | In-FlightMaintenance |
![](file.png) | IFO | Information Systems Office |
![](file.png) | IFOT | In-Flight Operations And Training |
![](file.png) | IFR | Instrument Flight Rules |
![](file.png) | IFRU | In-Flight Replacement Unit |
![](file.png) | IFT | In-Flight Test |
![](file.png) | IFTM | In-Flight Test Maintenance |
![](file.png) | IFTS | In-Flight Test System |
![](file.png) | IFU | InterfaceUnit |
![](file.png) | IG | Igloo |
![](file.png) | IGA | Inner Gimbal Angle |
![](file.png) | IGAX | Inner Gimbal Axis |
![](file.png) | IGDS | Iodine Generating And Dispensing SYstem |
![](file.png) | IGM | Interactive Guidance Mode |
![](file.png) | IGN | Ignition |
![](file.png) | IGOR | Intercept Ground OPtical Recorder |
![](file.png) | IGS | Inertial Guidance System |
![](file.png) | IGSE | In-Space Ground SUPPort Equipment |
![](file.png) | IGV | Inlet GUide Valve/Vanes |
![](file.png) | IH/SR | Integration Hardware And Software Review |
![](file.png) | IHP | Indicated Horsepower |
![](file.png) | IHTV | Interim Hypersonics Test Vehicle |
![](file.png) | IHX | Interloop Heat Exchanger |
![](file.png) | IIS | InsPection Item Sheet |
![](file.png) | IIS | Joint Integrated Simulation |
![](file.png) | IITCS | Igloo Internal Thermal Control Section |
![](file.png) | ILA | Instrument Landing Approach |
![](file.png) | ILC | Initial Launch Capability |
![](file.png) | ILC | International Latex Corporation |
![](file.png) | ILLUM | Illuminate |
![](file.png) | ILP | IntegratedLogistics Panel |
![](file.png) | ILS | InstrumentLanding System |
![](file.png) | ILS | IntegratedLogistics Support |
![](file.png) | ILS | IntegratedLogistics System |
![](file.png) | ILS/LAR | IntegratedLogistics System And Logistics Assess |
![](file.png) | ILS/LAR | Review |
![](file.png) | ILSSE | Integrated Life Science Shuttle Experiments |
![](file.png) | IMBLMS | Integrated Medical Behavioral Laboratory Measuremen |