CRRES – Combined Release and Radiation Effects Satellite
FAST – Fast Auroral SnapshoT
GEOTAIL – Study the dynamics of the Earth’s magnetotail.
LightningBolt – Study of the coupling between lightning strokes during thunderstorms in the earth’s atmosphere and the particle populations in the ionosphere and magnetosphere.
POLAR – Measures solar wind entry, ionospheric output, and the deposition of energy into the neutral atmosphere at high latitudes.
RBSP – Radiation Belt Storm Probes
SPP – Solar Probe Plus
STEREO – Solar TErrestrial RElations Observatory
ULYSSES – Explores the heliosphere out of the plane of the ecliptic and over the solar poles.
WIND – Comprehensive Solar Wind Laboratory