D
Acronyms and Abbreviations
ACE Advanced Composition Explorer
ACRIMSAT Active Cavity Radiometer Irradiance Monitor Satellite
ACTS Advanced Communications Technology Satellite
AFE Aeroassist Flight Experiment
AIM Aeronomy of Ice in Mesosphere
AO announcement of opportunity
ASRM Advanced Solid Rocket Motor
ATP Alternate Turbopumps
AXAF Advanced X-ray Astrophysics Facility
CADRe Cost Analysis Data Requirement (NASA)
CALIPSO Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observation
CDR critical design review
CGRO Compton Gamma-Ray Observatory
CINDI Coupled Ion Neutral Dynamics
CLOUDSAT Cloud Satellite
CNES Centre National d’Etudes Spatiales
CONTOUR Comet Nucleus Tour
DOD Department of Defense
DOE Department of Energy
DS Deep Space
EO Earth Observing
EOS Earth Observing System
ESA European Space Agency
EUVE Extreme Ultraviolet Explorer
FAST Fast Auroral Snapshot
FTS Flight Telerobotic Servicer
FUSE Far Ultraviolet Spectroscopic Explorer
GALEX Galaxy Evolution Explorer
GAO Government Accountability Office
GLAST Gamma-ray Large Area Space Telescope
GOES Geostationary Operational Environmental Satellite
GRACE Gravity Recovery and Climate Experiment
GSFC Goddard Space Flight Center
HESSI High Energy Solar Spectroscopic Imager (also referred to as RHESSI)
HETE High Energy Transient Explorer
HST Hubble Space Telescope
IBEX Interstellar Boundary Explorer
ICESAT Ice, Cloud, and Land Elevation Satellite
IMAGE Imager for Magnetopause-to-Aurora Global Exploration
ISS International Space Station
JPL Jet Propulsion Laboratory
JWST James Webb Space Telescope
KPD key decision point
LCROSS Lunar Crater Observation and Sensing Satellite
LRO Lunar Reconnaissance Orbiter
MAP Microwave Anisotropy Probe
MCO Mars Climate Orbiter
MER Mars Exploration Rover
MESSENGER Mercury Surface, Space Environment, Geochemistry, and Ranging
MGS Mars Global Surveyor
MMS Magnetospheric Multiscale Mission
MPL Mars Polar Lander
MRO Mars Reconnaissance Orbiter
MSL Mars Science Laboratory
NASA National Aeronautics and Space Administration
NEAR Near Earth Asteroid Rendezvous
NOAA National Oceanic and Atmospheric Administration
NPOESS National Polar-orbiting Operational Environmental Satellite System
NPD NASA Policy Directive
NPR NASA Procedural Requirements
NRC National Research Council
NSCAT NASA Scatterometer
OCO Orbiting Carbon Observatory
OMB Office of Management and Budget
OMV Orbital Maneuvering Vehicle
OSTM Ocean Surface Topography Mission
PDR preliminary design review
PI principal investigator
RHESSI Reuven Ramaty High Energy Solar Spectroscopic Imager
SIRTF Space Infrared Telescope Facility (now known as the Spitzer Space Telescope)
SMD Science Mission Directorate
SOFIA Stratospheric Observatory for Infrared Astronomy
SORCE Solar Radiation and Climate Experiment
SRB Standing Review Board
STEREO Solar Terrestrial Relations Observatory
SWAS Submillimeter Wave Astronomy Satellite
TDRS Tracking and Data Relay Satellite
THEMIS Time History of Events and Macroscale Interactions during Substorms
TIMED Thermosphere Ionosphere Mesosphere Energetics and Dynamics
TOPEX Ocean Topography Experiment
TRACE Transition Region and Coronal Explorer
TRMM Tropical Rainfall Measuring Mission
TSS Tethered Satellite System
TWINS Two Wide-angle Imaging Neutral-atom Spectrometers
USAF U.S. Air Force
WBS work breakdown structure
WIRE Wide-Field Infrared Explorer
WISE Wide-Field Infrared Survey Explorer
XTE X-Ray Timing Explorer