E
Acronyms
CIR
co-rotating interaction region
CME
coronal mass ejection
DOD
Department of Defense
EUV
extreme ultraviolet
GCR
galactic cosmic ray
GEC
Geospace Electrodynamic Connections
IMAGE
Imager for Magnetopause-to-Aurora for Global Exploration
ISTP
International Solar-Terrestrial Program
ITSP
ionosphere-thermosphere storm probes
JPM
Jupiter Polar Mission
LEO
low Earth orbit
LISM
local interstellar medium
LWS
Living With a Star
MAP
Mars Aeronomy Probe
MHM
Multisatellite Heliosphere Mission
MIDEX
Medium-Class Explorer
MMS
Magnetospheric Multiscale
MO&DA
mission operations and data analysis
NASA
National Aeronautics and Space Administration
NOAA
National Oceanic and Atmospheric Administration
NRC
National Research Council
NSF
National Science Foundation
NSWP
National Space Weather Program
RBSP
radiation belt storm probes
SDO
Solar Dynamics Observatory
SEC
Sun-Earth Connection
SMEX
Small Explorer
SOHO
Solar and Heliospheric Observatory
SPE
solar particle event
SR&T
supporting research and technology
SSB
Space Studies Board
STEREO
Solar-Terrestrial Relations Observatory
STP
Solar Terrestrial Probes
THEMIS
Time History of Events and Macroscale Interactions during Substorms
TRACE
Transition Region and Coronal Explorer