NASA Taxonomy

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  2. R: 245 terms
  1. Radar
  2. radar (theory and techniques) USE Communications and Radar
  3. radar absorbing materials USE Communications and Radar
  4. radar antenna design USE Communications and Radar
  5. radar antennas (theory and techniques) USE Communications and Radar
  6. radar clutter USE Communications and Radar
  7. radar communications systems (aircraft) USE Aircraft Communications and Navigation
  8. radar communications systems (spacecraft) USE Space Communications, Spacecraft Communications, Command and Tracking
  9. radar communications systems (theory and techniques) USE Communications and Radar
  10. radar detection (aircraft navigation) USE Aircraft Communications and Navigation
  11. radar detection (communications) USE Communications and Radar
  12. radar detection (earth resources) USE Earth Resources and Remote Sensing
  13. radar detection (spacecraft navigation) USE Space Communications, Spacecraft Communications, Command and Tracking
  14. radar imagery (aircraft navigation) USE Aircraft Communications and Navigation
  15. radar imagery (communications) USE Communications and Radar
  16. radar imagery (remote sensing) USE Earth Resources and Remote Sensing
  17. radar imagery (spacecraft navigation) USE Space Communications, Spacecraft Communications, Command and Tracking
  18. radar receivers (theory and techniques) USE Communications and Radar
  19. radar scattering USE Communications and Radar
  20. radar telescope and range finder facilities USE Astronomy
  21. radar telescopes USE Astronomy
  22. radar tracking systems (aircraft) USE Aircraft Communications and Navigation
  23. radar tracking systems (spacecraft) USE Space Communications, Spacecraft Communications, Command and Tracking
  24. radar tracking systems (theory and techniques) USE Communications and Radar
  25. radar transmitters (theory and techniques) USE Communications and Radar
  26. radiation absorption by atoms USE Atomic and Molecular Physics
  27. radiation belts USE Space Radiation
  28. radiation chemistry USE Inorganic, Organic and Physical Chemistry
  29. radiation effects (biological, animal and plant) USE Life Sciences (General)
  30. radiation effects (human) USE Aerospace Medicine
  31. radiation effects in semiconductors USE Solid-State Physics
  32. radiation effects on spacecraft and components USE Spacecraft Design, Testing and Performance
  33. radiation instruments USE Instrumentation and Photography
  34. Radiation Research
  35. radiation safety measures (physiological) USE Man/System Technology and Life Support
  36. radiative transfer USE Fluid Mechanics and Thermodynamics
  37. radiators (aerospace applications) USE Fluid Mechanics and Thermodynamics
  38. radio (theory and techniques) USE Communications and Radar
  39. Radio and Geoastronomy
  40. radio antenna design USE Communications and Radar
  41. radio antennas (theory and techniques) USE Communications and Radar
  42. radio astronomy USE Astronomy
  43. radio blackout (loss of communications) USE Space Communications, Spacecraft Communications, Command and Tracking
  44. radio communication systems (theory and techniques) USE Communications and Radar
  45. radio communications system (aircraft) USE Aircraft Communications and Navigation
  46. radio communications systems (spacecraft) USE Space Communications, Spacecraft Communications, Command and Tracking
  47. Radio Spectrometers
  48. radio telescope facilities USE Astronomy
  49. Radio Telescopes
  50. radio telescopes USE Astronomy
  51. radioactive contamination USE Environment Pollution
  52. radiobiography (human) USE Aerospace Medicine
  53. radiography USE Instrumentation and Photography
  54. radiography (quality control) USE Quality Assurance and Reliability
  55. radioisotopes USE Nuclear Physics
  56. Radiometers
  57. radomes (design) USE Communications and Radar
  58. radomes (electrical properties) USE Electronics and Electrical Engineering
  59. radomes (nonmetallic materials) USE Nonmetallic Materials
  60. rail accelerators, railguns, launchers (applications) USE Ground Support Systems and Facilities (Space)
  61. rail accelerators, railguns, launchers (theory) USE Electronics and Electrical Engineering
  62. rain USE Meteorology and Climatology
  63. Ramaty High Energy Solar Spectroscopic Imager
  64. ramjet engines (aircraft) USE Aircraft Propulsion and Power
  65. random access memories USE Computer Operations and Hardware
  66. random sampling USE Statistics and Probability
  67. range and angle measurement (aircraft) USE Aircraft Communications and Navigation
  68. range and angle measurement (spacecraft) USE Space Communications, Spacecraft Communications, Command and Tracking
  69. Range and Mission Management Office
  70. range safety USE Ground Support Systems and Facilities (Space)
  71. Ranger
  72. rapid transit systems USE Technology Utilization and Surface Transportation
  73. rate of climb indicators USE Avionics and Aircraft Instrumentation
  74. Rayleigh-Ritz method USE Numerical Analysis
  75. Raytheon
  76. Raytheon/ITSS
  77. RDECOM USE U.S. Army Research Development and Engineering Command
  78. reaction control systems (spacecraft) USE Spacecraft Design, Testing and Performance
  79. reaction wheels USE Mechanical Engineering
  80. reactor radiation safety measures (space applications) USE Nuclear Physics
  81. reactor theory USE Nuclear Physics
  82. read-only memories USE Computer Operations and Hardware
  83. Real Property and Facilities
  84. Real Property Management
  85. Receiving/processing telemetry
  86. Recently discovered moons
  87. Recently discovered satellites
  88. reciprocating engines (aircraft) USE Aircraft Propulsion and Power
  89. reciprocating engines (non-aircraft) USE Mechanical Engineering
  90. reconfigurable hardware USE Electronics and Electrical Engineering
  91. recording devices USE Instrumentation and Photography
  92. recording devices (aircraft) USE Avionics and Aircraft Instrumentation
  93. recording devices (spacecraft) USE Spacecraft Instrumentation and Astrionics
  94. Records
  95. recovery equipment and vehicles USE Ground Support Systems and Facilities (Space)
  96. recovery of spacecraft USE Space Transportation and Safety
  97. Recruitment/Placement
  98. rectifiers USE Electronics and Electrical Engineering
  99. reduced gravity effects (biological, animal and plant) USE Life Sciences (General)
  100. reduced gravity effects (materials) USE Space Processing
  101. reduced gravity effects (physiological, human) USE Aerospace Medicine
  102. redundancy systems USE Quality Assurance and Reliability
  103. reentry dynamics USE Astrodynamics
  104. reentry launch vehicles USE Launch Vehicles and Launch Operations
  105. reentry trajectories USE Astrodynamics
  106. reentry vehicle aerodynamics USE Aerodynamics
  107. Reference Sources
  108. refraction (optics) USE Optics
  109. refractory materials USE Metals and Metallic Materials
  110. refrigeration USE Mechanical Engineering
  111. refueling in orbit USE Spacecraft Propulsion and Power
  112. Regions
  113. regression analysis USE Statistics and Probability
  114. regulators (voltage, current) USE Electronics and Electrical Engineering
  115. reinforcing fibers (composite materials) USE Composite Materials
  116. reinforcing filaments (metallic materials) USE Metals and Metallic Materials
  117. reinforcing filaments (nonmetallic) USE Nonmetallic Materials
  118. Related Government Agencies
  119. Reliability & Maintainability Engineering & Assurance
  120. reliability (procedures and theory) USE Quality Assurance and Reliability
  121. Reliability and Quality Assurance
  122. reliability criteria USE Quality Assurance and Reliability
  123. Reliability Engineering Office
  124. remote exploration of planets USE Lunar and Planetary Science and Exploration
  125. remote input equipment USE Computer Operations and Hardware
  126. remote launch monitoring facilities USE Ground Support Systems and Facilities (Space)
  127. remote manipulator arms (human interface) USE Man/System Technology and Life Support
  128. remote manipulator arms (robotics) USE Cybernetics, Artificial Intelligence and Robotics
  129. remote readout equipment USE Computer Operations and Hardware
  130. remote sensing of earth resources USE Earth Resources and Remote Sensing
  131. Remote Sensing Technologies
  132. remote sensors USE Instrumentation and Photography
  133. remote terminals USE Computer Operations and Hardware
  134. remotely piloted vehicles (RPV) USE Aircraft Design, Testing and Performance
  135. REMOTESENS USE Remote Sensing Technologies
  136. rendezvous guidance USE Space Communications, Spacecraft Communications, Command and Tracking
  137. repair facilities (aircraft) USE Research and Support Facilities (Air)
  138. repair facilities (space based, ground based) USE Ground Support Systems and Facilities (Space)
  139. Reports
  140. reproduction of extraterrestrial life USE Exobiology
  141. reprography USE Documentation and Information Science
  142. Requests for Proposals USE Procurement Records
  143. Requirements
  144. Requirements Division
  145. Research and Development Planning and Approval
  146. Research and Support Facilities (Air)
  147. Research and Technology
  148. Research and Technology Directorate
  149. Research and Technology Objectives and Plans
  150. research facilities (aircraft) USE Research and Support Facilities (Air)
  151. research facilities (space) USE Ground Support Systems and Facilities (Space)
  152. research management USE Administration and Management
  153. research on metallic materials USE Metals and Metallic Materials
  154. research on nonmetallic materials USE Nonmetallic Materials
  155. research planning USE Administration and Management
  156. Research Program Office for International Space Station Office
  157. Research Subject Protection Regulation
  158. Research Support Division
  159. Research, Development or Flight Facility Planning
  160. Researchers
  161. residential pollution USE Environment Pollution
  162. resistors USE Electronics and Electrical Engineering
  163. Resource Types USE Content Types
  164. Resources Authority Allocation System
  165. Resources Management Office
  166. restraint harness (aircraft) USE Air Transportation and Safety
  167. restraint harness (spacecraft) USE Space Transportation and Safety
  168. Restrictions
  169. retrorockets USE Spacecraft Propulsion and Power
  170. reusable vehicles USE Launch Vehicles and Launch Operations
  171. Review and verification of practices and procedures
  172. Reviews, Results, and Analyses
  173. RFPs USE Procurement Records
  174. Rhea
  175. rheology USE Fluid Mechanics and Thermodynamics
  176. RHESSI USE Ramaty High Energy Solar Spectroscopic Imager
  177. riblets (aerodynamics) USE Aerodynamics
  178. Riemann surfaces USE Theoretical Mathematics
  179. rings (structures) USE Structural Mechanics
  180. RIO USE Human Space Research & Technology
  181. Risk management
  182. Risk Management
  183. RISKMMT USE Risk Management
  184. riveted joints USE Structural Mechanics
  185. RMEA USE Reliability & Maintainability Engineering & Assurance
  186. robot control USE Cybernetics, Artificial Intelligence and Robotics
  187. robot dynamics USE Cybernetics, Artificial Intelligence and Robotics
  188. robot sensors USE Cybernetics, Artificial Intelligence and Robotics
  189. robot vision USE Cybernetics, Artificial Intelligence and Robotics
  190. Robotics
  191. robotics USE Cybernetics, Artificial Intelligence and Robotics
  192. robotics (hardware) USE Mechanical Engineering
  193. rocket aerodynamics USE Aerodynamics
  194. rocket engine design USE Spacecraft Propulsion and Power
  195. rocket engine exhaust plumes USE Spacecraft Propulsion and Power
  196. rocket engine noise USE Spacecraft Propulsion and Power
  197. rocket engine test pads USE Ground Support Systems and Facilities (Space)
  198. rocket engines (aircraft) USE Aircraft Propulsion and Power
  199. rocket engines (spacecraft) USE Spacecraft Propulsion and Power
  200. rocket launchers USE Launch Vehicles and Launch Operations