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- S: 792 terms
- SAC-B USE Satelite de Aplicaciones Cientificas - B
- SAFENG USE Safety Engineering and Assurance
- Safety
- Safety & Mission Assurance Directorate
- Safety and Mission Assurance
- Safety and Mission Assurance
- Safety and Mission Assurance
- Safety and Mission Assurance (KSC)
- Safety and Mission Assurance (LARC)
- Safety and Mission Assurance Directorate
- Safety and Mission Assurance Directorate (GRC)
- Safety assessment
- Safety Engineering and Assurance
- Safety Office
- safety procedures (engineering) USE Engineering (General)
- safety systems (aircraft) USE Air Transportation and Safety
- safety systems (spacecraft) USE Space Transportation and Safety
- Safety, Environmental and Mission Assurance Directorate
- SAGE-3 (Meteor) USE Stratospheric Aerosol and Gas Experiment III
- sailplane aerodynamics USE Aerodynamics
- Sakigake
- salinity (oceanography) USE Oceanography
- SAMPEX USE Solar Anomalous and Magnetospheric Particle Explorer
- sampling techniques (quality control) USE Quality Assurance and Reliability
- sampling techniques (statistics) USE Statistics and Probability
- sandwich structures USE Structural Mechanics
- Satelite de Aplicaciones Cientificas - B
- satellite communications (earth communications) USE Communications and Radar
- satellite constellations USE Spacecraft Design, Testing and Performance
- satellite derived atmospheric profiles USE Earth Resources and Remote Sensing
- satellite launching dynamics USE Launch Vehicles and Launch Operations
- satellite networks (earth communications) USE Communications and Radar
- satellite observation (remote sensing applications) USE Earth Resources and Remote Sensing
- satellite stabilization USE Spacecraft Design, Testing and Performance
- satellites for air, land, or sea navigation USE Spacecraft Design, Testing and Performance
- satellites for air, land, or sea traffic control USE Spacecraft Design, Testing and Performance
- Saturn
- SBIR USE Small Business Innovation Research Program
- SBU USE Sensitive But Unclassified
- scatterometers (design and techniques) USE Instrumentation and Photography
- scatterometers (remote sensing applications) USE Earth Resources and Remote Sensing
- scene analysis (robotics) USE Cybernetics, Artificial Intelligence and Robotics
- Schlieren optics USE Optics
- School
- Science
- Science (LARC)
- Science / Technology
- Science Advisory Group
- Science and Mission Systems Office
- Science Directorate
- Science Education
- Science Knowledge Domain
- Science Mission Directorate
- Science Payloads Operations Branch
- Science Research & Analysis Office
- Science Support Office
- Science User Systems Department
- Sciences and Exploration Directorate
- Scientific and Technical Information
- Scientific Divisions
- Scientific Reports USE Technical Reports
- scientific satellites USE Spacecraft Design, Testing and Performance
- scientists USE General.
- Scientists (External)
- Scientists (Internal)
- SCITRAN
- scramjet engines (aircraft) USE Aircraft Propulsion and Power
- Script writers
- SDO USE Solar Dynamics Observatory
- SE USE System Engineering Department
- sea ice USE Oceanography
- sea navigation (aircraft related) USE Aircraft Communications and Navigation
- sea water USE Oceanography
- sealants (metallic materials) USE Metals and Metallic Materials
- sealants (nonmetallic materials) USE Nonmetallic Materials
- seals (stoppers) USE Mechanical Engineering
- search and rescue operations (air) USE Air Transportation and Safety
- search and rescue operations (communications) USE Space Communications, Spacecraft Communications, Command and Tracking
- search and rescue operations (space) USE Space Transportation and Safety
- search and rescue satellites USE Spacecraft Design, Testing and Performance
- SEASAT (configurations) USE Spacecraft Design, Testing and Performance
- SEASAT (remote sensing applications) USE Earth Resources and Remote Sensing
- seasonal variations USE Meteorology and Climatology
- seat belts (aircraft) USE Air Transportation and Safety
- SeaWinds (ADEOS-II) USE SeaWinds scatterometer
- SeaWinds scatterometer
- SECINDUST USE Industrial Security
- SECINFO USE Information Security
- SECNATION USE National Security Systems
- SECPERSON USE Personnel Security
- SECPHYSCL USE Physical Security
- Secret
- SECURITY USE Security & Program Protection
- Security
- Security
- Security & Program Protection
- Security level
- sediments (oceanography) USE Oceanography
- seismology USE Geophysics
- Selene
- selenography USE Lunar and Planetary Science and Exploration
- selenology USE Lunar and Planetary Science and Exploration
- Self-assessments
- Self-instructional materials
- self-repairing computer systems USE Computer Systems
- semiconductor devices USE Electronics and Electrical Engineering
- semiconductor lasers USE Lasers and Masers
- semiconductor materials USE Solid-State Physics
- Sensitive But Unclassified
- Sensor Systems Competency Suite
- SENSORDATA USE Sensors & Data Acquisition
- sensors USE Instrumentation and Photography
- Sensors & Data Acquisition
- sensors for aircraft equipment and operation USE Avionics and Aircraft Instrumentation
- sensors for spacecraft equipment USE Spacecraft Instrumentation and Astrionics
- sensory deprivation (physiological effects, human) USE Aerospace Medicine
- sensory deprivation (psychological effects, human) USE Behavioral Sciences
- sensory organs (human) USE Aerospace Medicine
- Sentinels
- separation and staging techniques (for stages of launch USE Launch Vehicles and Launch Operations
- separation and staging techniques (spacecraft) USE Spacecraft Design, Testing and Performance
- separations chemistry USE Chemistry and Materials (General)
- Service
- Service Delivery Directorate
- Service Level Agreements USE Agreements
- service life USE Quality Assurance and Reliability
- service life of propellants and fuels USE Propellants and Fuels
- servomechanisms (electrical aspects) USE Electronics and Electrical Engineering
- servomechanisms (mechanical aspects) USE Mechanical Engineering
- set theory USE Theoretical Mathematics
- Setebos
- severe storms (aircraft safety) USE Air Transportation and Safety
- sewage disposal USE Technology Utilization and Surface Transportation
- SF36 USE 1998 SF36
- SGT
- shafts (machine elements) USE Mechanical Engineering
- shear loads USE Structural Mechanics
- shear strength (composite materials) USE Composite Materials
- shear strength (metallic materials) USE Metals and Metallic Materials
- shear strength (structures) USE Structural Mechanics
- sheer strength (nonmetallic materials) USE Nonmetallic Materials
- shells (structures) USE Structural Mechanics
- shock testing (quality control) USE Quality Assurance and Reliability
- shock testing (structural analysis) USE Structural Mechanics
- shock tube instruments USE Instrumentation and Photography
- shock tubes and tunnels USE Research and Support Facilities (Air)
- shock waves USE Fluid Mechanics and Thermodynamics
- Shoemaker-Levy 9 Comet USE Comet Shoemaker-Levy 9
- short pulsed lasers USE Lasers and Masers
- shoulder harness (aircraft) USE Air Transportation and Safety
- shoulder harness (spacecraft) USE Space Transportation and Safety
- Shuttle Imaging Radar (earth resources) USE Earth Resources and Remote Sensing
- Shuttle Imaging radar (theory and techniques) USE Space Communications, Spacecraft Communications, Command and Tracking
- Shuttle Propulsion Office
- Shuttle Radar Topography Mission
- Shuttle-Mir
- shuttlecraft landing facilities USE Ground Support Systems and Facilities (Space)
- side looking radar (earth resources) USE Earth Resources and Remote Sensing
- side looking radar (theory and techniques) USE Communications and Radar
- Siemens ICN
- signal analyzers USE Communications and Radar
- signal decoding USE Communications and Radar
- signal detection USE Communications and Radar
- signal encoding USE Communications and Radar
- signal generators (applications) USE Electronics and Electrical Engineering
- signal generators (theory and techniques) USE Communications and Radar
- signal modulators USE Communications and Radar
- signal processing USE Communications and Radar
- signature analysis (earth resources) USE Earth Resources and Remote Sensing
- silicon cells (applications) USE Energy Production and Conversion
- silicon cells (electrical properties) USE Electronics and Electrical Engineering
- silicon materials USE Nonmetallic Materials
- SIM USE Space Interferometry Mission
- SIM PlanetQuest USE Space Interferometry Mission
- SIMFLTSYS USE Simulation/Flight Research Systems
- SIMULATE USE Simulation Systems
- Simulation Systems
- Simulation/Flight Research Systems
- Simulations
- simulators (aircraft) USE Research and Support Facilities (Air)
- simulators (space) USE Ground Support Systems and Facilities (Space)
- single event transients USE Electronics and Electrical Engineering
- single event upsets USE Electronics and Electrical Engineering
- single-stage launch vehicles USE Launch Vehicles and Launch Operations
- Sinope
- sintering (metallic materials) USE Metals and Metallic Materials
- SIRTF USE Spitzer Space Telescope
- Site Maps
- Skill level
- skin friction USE Fluid Mechanics and Thermodynamics
- skin temperature indicators (aircraft) USE Avionics and Aircraft Instrumentation
- skin temperature indicators (spacecraft) USE Spacecraft Instrumentation and Astrionics
- Skylab
- sleep apnea USE Aerospace Medicine
- sleep deprivation (physiological effects, human) USE Aerospace Medicine
- sleep deprivation (psychological effects, human) USE Behavioral Sciences
- Slides
- Small Business Innovation Research Program
- Small Business Programs
- Small Business Technology Transfer