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