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- I: 251 terms
- Iapetus
- IASYS USE Intelligent/Adaptive Systems
- ICE USE International Sun-Earth Explorer-C
- ice cover (climatology) USE Meteorology and Climatology
- ice crystals (meteorology) USE Meteorology and Climatology
- Ice, Clouds, and Land Elevation Satellite
- ICEPHYSICS USE Icing Physics
- ICESat USE Ice, Clouds, and Land Elevation Satellite
- icing (aircraft) USE Air Transportation and Safety
- Icing Physics
- Ida USE 243 Ida
- Ideas
- identification of celestial bodies USE Astronomy
- IEH-3 USE International Extreme Ultraviolet Hitchiker-3
- igniters (propellants) USE Propellants and Fuels
- igniters (rocket engines) USE Spacecraft Propulsion and Power
- ignition studies USE Inorganic, Organic and Physical Chemistry
- ignition studies (propellants and fuels) USE Propellants and Fuels
- Illustrations
- IMAGE USE Imager for Magnetopause-to-Aurora Global Exploration
- Image Data Bases USE Image Databases
- Image Databases
- image enhancement USE Instrumentation and Photography
- Imager for Magnetopause-to-Aurora Global Exploration
- IMAGING USE Imaging Analysis
- Imaging Analysis
- Imaging Cameras
- Imaging Spectrometers
- IMP-8 USE Interplanetary Monitoring Platform-8
- impact phenomena USE Mechanical Engineering
- impact testing USE Mechanical Engineering
- Implementation
- in-flight simulation (aircraft) USE Aircraft Design, Testing and Performance
- in-orbit maintenance, servicing and refueling USE Astronautics (General)
- Incident Surprise Anomaly 2003
- incompressible flow USE Fluid Mechanics and Thermodynamics
- IND Architecture & Strategic Planning Office
- Independent Program Assesment Office
- Independent Verification and Validation Program Office
- Indexes
- indoor air pollution USE Environment Pollution
- induction heating USE Fluid Mechanics and Thermodynamics
- inductors (electric) USE Electronics and Electrical Engineering
- Industrial Hygiene
- industrial pollution USE Environment Pollution
- industrial process control USE Engineering (General)
- industrial safety procedures USE Engineering (General)
- Industrial Security
- inertial navigation systems (aircraft) USE Aircraft Communications and Navigation
- inertial navigation systems (spacecraft) USE Space Communications, Spacecraft Communications, Command and Tracking
- inertial sensors and measurement units (aircraft) USE Aircraft Communications and Navigation
- inertial sensors and measurement units (spacecraft) USE Space Communications, Spacecraft Communications, Command and Tracking
- inflatable structures (aircraft) USE Aircraft Design, Testing and Performance
- inflatable structures (spacecraft) USE Spacecraft Design, Testing and Performance
- Informal education
- Information Forms USE Content Types
- Information Resources Directorate
- Information Resources Planning and Evaluation
- information retrieval USE Documentation and Information Science
- information science USE Documentation and Information Science
- Information Security
- information storage USE Documentation and Information Science
- information systems USE Documentation and Information Science
- Information Systems Security
- Information Technology and Communications Directorate
- Information Technology and Communications Services
- Information Technology Management
- information theory USE Cybernetics, Artificial Intelligence and Robotics
- infrared astronomy USE Astronomy
- infrared gas analysis USE Inorganic, Organic and Physical Chemistry
- infrared imagery (remote sensing) USE Earth Resources and Remote Sensing
- Infrared Imaging Devices
- Infrared Imaging Spectrometers
- Infrared Interferometers
- infrared optics USE Optics
- Infrared Photometers
- Infrared Polarimeters
- infrared radiation effects (optical applications) USE Optics
- infrared sensors USE Instrumentation and Photography
- infrared sensors (aircraft) USE Avionics and Aircraft Instrumentation
- infrared sensors (spacecraft) USE Spacecraft Instrumentation and Astrionics
- infrared signatures (earth resources) USE Earth Resources and Remote Sensing
- infrared signatures (optical applications) USE Optics
- Infrared Space Observatory
- infrared spectra USE Optics
- Infrared Spectrometers
- infrared spectrometry (atmosphere) USE Geophysics
- Infrared Telescope in Space
- infrared telescopes USE Astronomy
- Initiators
- injection systems (aircraft engines) USE Aircraft Propulsion and Power
- inlet aerodynamics USE Aerodynamics
- inlet controls (aircraft engines) USE Aircraft Propulsion and Power
- inlets (aircraft) USE Aircraft Propulsion and Power
- inlets (spacecraft) USE Spacecraft Design, Testing and Performance
- inner Earth radiation belts USE Space Radiation
- Innovative Partnerships Program
- Innovative Technology Transfer Partnerships (DFRC)
- inorganic chemistry USE Inorganic, Organic and Physical Chemistry
- Inorganic, Organic and Physical Chemistry
- input devices USE Computer Operations and Hardware
- INS USE Instruments Division
- INSCOMP USE Inspection, Investigation and Compliance
- inspection USE Quality Assurance and Reliability
- inspection (aircraft safety) USE Air Transportation and Safety
- inspection methods USE Quality Assurance and Reliability
- Inspection, Investigation and Compliance
- Inspector General
- Inspector General
- Inspector General Field Office
- Institutional Aircraft Operations
- Institutional Business Systems
- Institutional Environmental Engineering & Management
- Institutional Environmental Planning/NEPA
- Institutional Environmental Remediation
- Institutional Logistics, Supply and Transportation
- Institutional Operations & Support Competency Suite
- Institutional Planning and Approval
- Institutions and Management
- Instructional designers
- Instructional Materials USE Educational Materials
- instrument arrangement (aircraft) USE Avionics and Aircraft Instrumentation
- instrument arrangement (spacecraft) USE Spacecraft Instrumentation and Astrionics
- instrument design (aircraft) USE Avionics and Aircraft Instrumentation
- instrument design (spacecraft) USE Spacecraft Instrumentation and Astrionics
- instrument design (theory and techniques) USE Instrumentation and Photography
- instrument displays (aircraft) USE Avionics and Aircraft Instrumentation
- instrument displays (spacecraft) USE Spacecraft Instrumentation and Astrionics
- instrument installation (aircraft) USE Avionics and Aircraft Instrumentation
- instrument installation (spacecraft) USE Spacecraft Instrumentation and Astrionics
- instrument landing systems (ILS) USE Avionics and Aircraft Instrumentation
- instrument navigation systems USE Aircraft Communications and Navigation
- instrument pointing systems (IPS) USE Spacecraft Instrumentation and Astrionics
- instrumentation USE Instrumentation and Photography
- Instrumentation and Photography
- Instrumentation Systems
- Instruments
- Instruments & Science Data Systems
- Instruments Division
- insulation (composite materials) USE Composite Materials
- insulation (electric, electronic) USE Electronics and Electrical Engineering
- insulation (nonmetallic materials) USE Nonmetallic Materials
- insurance (aerospace) USE Economics and Cost Analysis
- Insurance and Annuities
- INTAUD USE Internal Control / Audit
- INTEGENG USE Integration Engineering
- INTEGRAL USE INTErnational Gamma-Ray Astrophysics Laboratory
- integral equations USE Numerical Analysis
- integrated circuits USE Electronics and Electrical Engineering
- Integrated Enterprise Management Program
- Integrated Intelligent Flight Deck
- Integrated Logistics Support
- Integrated Resilient Aircraft Control
- Integrated test planning
- Integrated Vehicle Health Management
- Integration
- Integration Engineering
- INTELECT USE Electrical Integration Engineering
- Intellectual Property Law
- Intelligent/Adaptive Systems
- Interface Control Documents USE Agreements
- Interface control documents (ICDs)
- interferometers USE Instrumentation and Photography
- intergalactic dust USE Astrophysics
- intergalactic gases USE Astrophysics
- intergalactic matter USE Astrophysics
- intergalactic radiation USE Space Radiation
- intermetallics USE Metals and Metallic Materials
- intermolecular forces USE Atomic and Molecular Physics
- Internal
- internal combustion engines (aircraft) USE Aircraft Propulsion and Power
- internal combustion engines (non-aircraft) USE Mechanical Engineering
- Internal Control / Audit
- internal flow in ducts (applications) USE Fluid Mechanics and Thermodynamics
- internal flow in turbomachinery (applications) USE Fluid Mechanics and Thermodynamics
- internal flow in turbomachinery (theory) USE Aerodynamics
- Internal Management Controls
- international cooperation USE Law, Political Science and Space Policy
- International Extreme Ultraviolet Hitchiker-3
- INTErnational Gamma-Ray Astrophysics Laboratory
- International Law
- international law USE Law, Political Science and Space Policy
- International Program Development
- International Relations
- International Space Agencies
- International Space Station
- International Space Station (design) USE Spacecraft Design, Testing and Performance
- International Space Station Division
- International Space Station Missions
- International Space Station Program Office
- International Sun-Earth Explorer-C
- International Ultraviolet Explorer
- internet resources USE Documentation and Information Science
- internets USE Computer Systems
- interplanetary dust USE Astrophysics
- interplanetary gases USE Astrophysics
- interplanetary matter USE Astrophysics
- Interplanetary Monitoring Platform-8
- Interplanetary Network Directorate
- interplanetary shock waves USE Astrophysics