NASA Taxonomy

  1. DA Branch
  2. DAB USE DA Branch
  3. dark energy USE Astrophysics
  4. dark matter USE Astrophysics
  5. darkroom equipment USE Instrumentation and Photography
  6. Data
  7. data acquisition programs USE Computer Programming and Software
  8. Data Analysis Branch USE DA Branch
  9. Data bases USE Databases
  10. data compilation systems USE Computer Systems
  11. data input devices USE Computer Operations and Hardware
  12. Data Management Plan USE Planning Documents
  13. data management systems USE Computer Systems
  14. data processing USE Computer Operations and Hardware
  15. data processing systems USE Computer Systems
  16. data sampling USE Statistics and Probability
  17. data smoothing USE Statistics and Probability
  18. Data Systems and Technology
  19. data transmission applications USE Communications and Radar
  20. data transmission development USE Communications and Radar
  21. data transmission equipment USE Communications and Radar
  22. data transmission research USE Communications and Radar
  23. data transmission techniques USE Communications and Radar
  24. Data Visualization
  25. Database Management Systems
  26. databases USE Documentation and Information Science
  27. Databases
  28. DATDBMMT USE Database Management Systems
  29. DATLARGE USE Large Scale Data Systems
  30. DATSYS USE Data Systems and Technology
  31. DATVISUAL USE Data Visualization
  32. Dawn
  33. Dawn Project Office
  34. DDEELEC USE Electrical Design and Development Engineering
  35. DDEPROP USE Propulsion Design and Development Engineering
  36. DDESTRUCT USE Structural Design and Development Engineering
  37. DDETEST USE Test Fixtures and GSE Design and Development Engineering
  38. DE-1 USE Explorer 62
  39. DE-A USE Explorer 62
  40. debugging programs USE Computer Programming and Software
  41. Decca navigation system USE Aircraft Communications and Navigation
  42. deceleration effects (human) USE Aerospace Medicine
  43. decision making USE Administration and Management
  44. Decision Making and Risk Management Fundamental Research
  45. decision theory USE Systems Analysis and Operations Research
  46. decomposition (propellants and fuels) USE Propellants and Fuels
  47. decompression sickness USE Aerospace Medicine
  48. Deep Impact
  49. Deep Impact Project
  50. Deep Space 1
  51. Deep Space 2
  52. Deep Space and Science Missions and Projects
  53. deep space instrumentation facilities USE Ground Support Systems and Facilities (Space)
  54. Deep Space Network
  55. Deep Space Network USE Space Communications, Spacecraft Communications, Command and Tracking
  56. Defense & Intelligence Space Program Office
  57. Defining the science or demonstration requirements
  58. deicing systems (aircraft) USE Aircraft Design, Testing and Performance
  59. Deimos
  60. depressurization systems (aircraft) USE Aircraft Design, Testing and Performance
  61. depressurization systems (spacecraft) USE Spacecraft Design, Testing and Performance
  62. Deputy Director
  63. Desdemona
  64. DESDEVENG USE Design and Development Engineering
  65. desertification USE Earth Resources and Remote Sensing
  66. Design
  67. Design and Development Engineering
  68. Design Certification Reviews USE Reviews, Results, and Analyses
  69. Design Models USE Physical Models
  70. design of launch vehicles, tanks, components, systems USE Launch Vehicles and Launch Operations
  71. Designs and Specifications
  72. Despina
  73. detecting devices (aircraft) USE Avionics and Aircraft Instrumentation
  74. detecting devices (spacecraft) USE Spacecraft Instrumentation and Astrionics
  75. Detector Systems
  76. detectors USE Instrumentation and Photography
  77. DETECTSYS USE Detector Systems
  78. detonation processes USE Inorganic, Organic and Physical Chemistry
  79. DEVELOPBIO USE Developmental Biology
  80. Development
  81. development facilities (aircraft) USE Research and Support Facilities (Air)
  82. development facilities (space) USE Ground Support Systems and Facilities (Space)
  83. development of alloys USE Metals and Metallic Materials
  84. development of nonmetallic materials USE Nonmetallic Materials
  85. development of propellants and fuels USE Propellants and Fuels
  86. Development Programs Office
  87. development) USE Research and Support Facilities (Air)
  88. Developmental Biology
  89. DFRC USE Dryden Flight Research Center
  90. diagnostic procedures (software) USE Computer Programming and Software
  91. Diagrams
  92. dielectric materials properties USE Solid-State Physics
  93. dielectrics (electronic application) USE Electronics and Electrical Engineering
  94. dies USE Mechanical Engineering
  95. diesel engines (aircraft) USE Aircraft Propulsion and Power
  96. diesel engines (non-aircraft) USE Mechanical Engineering
  97. diets (space missions) USE Man/System Technology and Life Support
  98. difference equations USE Numerical Analysis
  99. differential equations USE Numerical Analysis
  100. differential geometry USE Theoretical Mathematics
  101. differentiation (mathematics) USE Numerical Analysis
  102. Diffuse X-Ray Spectrometer
  103. diffusers (aircraft engines) USE Aircraft Propulsion and Power
  104. digital communications systems (aircraft) USE Aircraft Communications and Navigation
  105. digital communications systems (spacecraft) USE Space Communications, Spacecraft Communications, Command and Tracking
  106. digital communications systems (theory and techniques) USE Communications and Radar
  107. digital computers USE Computer Operations and Hardware
  108. digital storage devices USE Computer Operations and Hardware
  109. digital storage techniques USE Computer Operations and Hardware
  110. diodes USE Electronics and Electrical Engineering
  111. Dione
  112. Director's Office
  113. Directories
  114. Disciplines
  115. discovery of celestial bodies USE Astronomy
  116. Discovery Program
  117. Discrepancy Report 2006
  118. display devices (aircraft) USE Avionics and Aircraft Instrumentation
  119. display devices (spacecraft) USE Spacecraft Instrumentation and Astrionics
  120. display engineering USE Engineering (General)
  121. Disposal
  122. Disposal of remaining mission resources
  123. disruption) USE Aircraft Communications and Navigation
  124. distributed data processing USE Computer Systems
  125. Distributing
  126. diurnal effects (biological, animal and plant) USE Life Sciences (General)
  127. diurnal effects (human) USE Aerospace Medicine
  128. diurnal effects (meteorology) USE Meteorology and Climatology
  129. DIVERSEMMT USE Diversity Management
  130. Diversity and Equal Opportunity
  131. Diversity Management
  132. dividers (electric) USE Electronics and Electrical Engineering
  133. DLR USE German Aerospace Center
  134. docking (spacecraft) USE Spacecraft Design, Testing and Performance
  135. document markup languages (computer programming) USE Computer Programming and Software
  136. document markup languages (information transfer) USE Documentation and Information Science
  137. document miniaturization USE Documentation and Information Science
  138. document processing USE Documentation and Information Science
  139. Document Types USE Content Types
  140. documentation USE Documentation and Information Science
  141. Documentation and Information Science
  142. donors (solid state) USE Solid-State Physics
  143. Doppler effect (acoustics) USE Acoustics
  144. Doppler navigation systems USE Aircraft Communications and Navigation
  145. Dosimeters
  146. drag reduction (effects and techniques) USE Aerodynamics
  147. Drawings
  148. drives USE Mechanical Engineering
  149. Dryden Flight Research Center
  150. DS1 USE Deep Space 1
  151. DS2 USE Deep Space 2
  152. DSCVR USE TRIANA
  153. DSN Advanced Tracking & Observational Techniques Office
  154. DSN Development, Operations, and Services Program Office
  155. DSN Mission Commitments Office
  156. DSN Program Office
  157. DSN System Engineering and Standards Office
  158. Dust Impact Detectors
  159. dutch roll USE Aircraft Stability and Control
  160. dwarf planets USE Lunar and Planetary Science and Exploration
  161. DXS USE Diffuse X-Ray Spectrometer
  162. dye lasers USE Lasers and Masers
  163. Dynamic Data Analysis
  164. dynamic oceanography USE Oceanography
  165. dynamic programming USE Systems Analysis and Operations Research
  166. dynamic stability (aircraft) USE Aircraft Stability and Control
  167. dynamic stability (spacecraft) USE Spacecraft Design, Testing and Performance
  168. dynamic structural analysis USE Structural Mechanics
  169. dynamics (physics) USE Physics (General)
  170. dysbarism USE Aerospace Medicine