TOPEX/Poseidon over Earth

Jason-1 readies for launch in its bay at Vandenberg, AFB (10/31/01)

Wind Speed

QuickTime VR of TOPEX/Poseidon

These photos were taken during the Dual Payload Attach Fitting (DPAF) mating operation with Jason-1. (11/13/01) Photos: Scott Michel

TOPEX/Poseidon GPS

Jason-1 readies for launch in its bay at Vandenberg, AFB (10/31/01)

Jason-1 in full flight configuration

This artist's concept shows Jason-3 over the California coast.

Ionospheric Total Electron Content

Sentinel-6 Michael Freilich will join a long-standing family of Earth observing satellites from NASA and European partners.

TOPEX/Poseidon Line Drawing

The Antonov cargo aircraft carrying the Sentinel-6 Michael Freilich satellite touches down on the runway at Vandenberg Air Force Base in California on Sept. 24, 2020. 

This illustration shows the Sentinel-6 Michael Freilich spacecraft in orbit above Earth with its deployable solar panels extended.

This artist's concept show Jason-3 over France.

Jason-3 Launch

OSTM/Jason-2 Radiometer Antenna

Jason-1 Artists Concept

TOPEX/Poseidon Altimeter

SpaceX Falcon 9 rocket, topped with the Sentinel-6 Michael Freilich satellite secured inside its payload fairing, is rolled to Space Launch Complex 4

Jason-1 TRSR

Radiometer Install - Jan. 2007

Jason-1 launch images

t - 12 minutes

NASA and its U.S. and international partners have teamed up to launch a new Earth-observing satellite called Sentinel-6B that will measure sea surface height of most of the planet’s ocean. These ob...

The joint U.S.-European Sentinel-6 Michael Freilich is the next in a line of Earth-observing satellites that will collect the most accurate data yet on sea level and how it changes over time. With ...