DNA deoxyribonucleic acid
DOA Department of Agriculture
DOBIES Dosimetry for Biological Experiments in Space
DOD Department of Defense
DOD SPHERES-CSAC Department of Defense Synchronized Position, Hold, Engage, Reorient,
Experimental Satellites - Chip Scale Atomic Clock
DomeGene Control of Cell Differentiation and Morphogenesis of Amphibian Culture
Cells
DOSIS Dose Distribution Inside the International Space Station
DOSMAP Dosimetric Mapping
DOSTEL silicon dosimetry telescope
DRAGONSat Dual RF Astrodynamic GPS Orbital Navigator Satellite
DSB double strand break
DSO detailed science objective
DTN Disruption Tolerant Networking
DTO Detailed Test Objective
D 20 deuterium oxide (heavy water)
DU detector unit
DUST Dust and Aerosol Measurement Feasibility Test
DXA (^) dual-energy X-ray absorptiometry
Dykhaniye (^) Study of the Regulation and Biomechanics of Respiration in Spaceflight
(^)
E. coli Escherichia coli
EAP Educator Astronaut Program
EarthKAM Earth Knowledge Acquired by Middle School Students
EBCT electron-beam computed tomography
EBV Epstein-Barr Virus
ECG echocardiograph
ECLSS Environmental Control and Life Support System
EDA education demonstration activity
EDOS Early Detection of Osteoporosis in Space
ETD Eye Tracking Device
EDTA ethylenediamine-tetraacetic acid
Education-SEEDS Space Exposed Experiment Developed for Students
Education-Solar Cells Education- How Solar Cells Work
EEG electroencephalograph
EGN enhanced gaseous nitrogen
EGNOS European Geostationary Navigation Overlay Service
EGR- 1 early growth response- 1
EKE Assessment of Endurance Capacity by Gas Exchange and Heart Rate Kinetics During Physical Training