| I | NTC/0INTC/0Integrated Checkout | - | Organizations |
| I | LAS Instrument Landing Approach System | - | Organizations |
| I | LSP IntegratedLogistics Support Plan | - | Organizations |
| I | DAC Integrated Digital-Analog Converter | - | Organizations |
| I | DAS Integrated Data Acquisition System | - | Organizations |
| I | DPS Interface Digital Processor | - | Organizations |
| I | ECM Induced Environment Contamination Monitor | - | Organizations |
| I | ECO Inboard Engine Cutoff | - | Organizations |
| I | LCCS Integrated Launch Control And Checkout System | - | Organizations |
| I | D&CA Inverter Distribution And Control Assembly | - | Organizations |
| I | FIntermediate Frequency | - | Organizations |
| I-LOAD | Initial-load | - | Organizations |
| I@@PL | Implement | - | Organizations |
| IACS | Inertial Attitude Control System | - | Organizations |
| IAD | Interface Agreement Document | - | Organizations |
| IAD | Interface Analysis Document | - | Organizations |
| IAL | Immediate Action Letter | - | Organizations |
| IAL | International Algebraic Language | - | Organizations |
| IARS | Independent Air Revitalization System | - | Organizations |
| IAS | Impact Assessment Sheet | - | Organizations |
| IAS | Indicated Airspeed | - | Organizations |
| IAS | Integrated Avionics System | - | Organizations |
| IASS | Inverter/ATCS Support Structure | - | Organizations |
| IAT | Integrated Avionics Test | - | Organizations |
| IAV | Inventory Adjustment Voucher | - | Organizations |
| IB | Inboard | - | Organizations |
| IB | Inert Building | - | Organizations |
| IB | Instruction Book | - | Organizations |
| IBF | Internally Blown Flap | - | Organizations |
| IBM | International Business Machines | - | Organizations |
| IC | Intercomputer Communication | - | Organizations |
| IC/ES | Intercommunication/Emergency Station | - | Organizations |
| ICA | Item Change Analysis | - | Organizations |
| ICAO | International Civil Aviation Organization | - | Organizations |
| ICAO | International Civil Aviation Organization | - | Organizations |
| ICAR | Investigation And Corrective Action Report | - | Organizations |
| ICB | Interim Change Bulletin | - | Organizations |
| ICB | Interrupt Control Block | - | Organizations |
| ICC | Intercomputer Channel | - | Organizations |
| ICC | Intercomputer Communication | - | Organizations |
| ICC | Interface Control Chart | - | Organizations |
| ICC | Interstate Commerce Commission | - | Organizations |
| ICCB | Integrated Change Control Board | - | Organizations |
| ICCP | Interface Coordination And Control Procedure | - | Organizations |
| ICD | Interface Control Document | - | Organizations |
| ICDR | Incremental Critical Design Review | - | Organizations |
| ICDU | Inertial CouPling Data Unit | - | Organizations |
| ICE | Input Control Element | - | Organizations |
| ICF | Interface Control Function | - | Organizations |
| ICG | In-Flight Coverall Garment | - | Organizations |
| ICH | Interchanger | - | Organizations |
| ICIO | Interim Cargo Integration Operations | - | Organizations |
| ICMO | Integrated Configuration Ianagement Office | - | Organizations |
| ICMS | Indirect Cost Management SYstem | - | Organizations |
| ICMT | Intercontract Material Transfer | - | Organizations |
| ICO | Integrated Checkout | - | Organizations |
| ICOS | Improved Crew Optical Sight | - | Organizations |
| ICOU | Inertial Coupling Data Unit | - | Organizations |
| ICP | ICS Control Program | - | Organizations |
| ICR | Instruction Change Request | - | Organizations |
| ICT | Influence Coefficient Tests | - | Organizations |
| ICTC | Interface Control Tool Ing | - | Organizations |
| ICW | Interrupted Continuous Wave | - | Organizations |
| ICWG | Interface Control Working Group | - | Organizations |
| ID | Identification | - | Organizations |
| IDA | Interface Display Assembly | - | Organizations |
| IDB | Lnsuit Drink Bag | - | Organizations |
| IDC | IMBLMS Digital Computer | - | Organizations |
| IDC | Integrated Displays And Controls | - | Organizations |
| IDC | InterfaceDocumentControl | - | Organizations |
| IDCA | Inverter Distribution And Control Assembly | - | Organizations |
| IDD | Interface Definition Document(s) | - | Organizations |
| IDE | Initial Design Evaluation | - | Organizations |
| IDENTIFICAT | Identification Data | - | Organizations |
| IDG | Integrated Drive Generator | - | Organizations |
| IDI | InstrumentationDataItems | - | Organizations |
| IDMM | Intermediate And Depot Maintenance Manual | - | Organizations |
| IDO | InterdivisionalOperations | - | Organizations |
| IDP | Integrated DataProcessor | - | Organizations |
| IDR | Initial Design Review | - | Organizations |
| IDR | InterimDiscrepancyReport | - | Organizations |
| IDR | IntermediateDesignReview | - | Organizations |
| IDRD | Information Definition Requirements Document | - | Organizations |
| IDRD | Internal Data Requirement Description | - | Organizations |
| IDS | Interface Data Sheet | - | Organizations |
| IDS | Item Description Sheet | - | Organizations |
| IDSD | Institutional Data System Division (JSC) | - | Organizations |
| IDSO | Interdivisional Sales Order | - | Organizations |
| IDT | I-load Data Tape | - | Organizations |
| IDTA | Interdivisional Technical Agreement | - | Organizations |
| IDU | Interface Demonstration Unit | - | Organizations |
| IDWA | Interdivisional Work Authorization | - | Organizations |
| IE | Industrial Engineering | - | Organizations |
| IEA | Integrated Electronic Assembly | - | Organizations |
| IEA | Integrated Electronic Assembly | - | Organizations |
| IECS | Igloo Environment Control Subsystem | - | Organizations |
| IED | Interacting Equipment Documents | - | Organizations |
| IEF | Isoelectric Focusing | - | Organizations |
| IEP | Instantaneous Effective Photo Cathodes | - | Organizations |
| IF | Integration Facility | - | Organizations |
