OSTM/Jason-2 Artist's Concept

TOPEX/Poseidon Radiometer

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.

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

The ocean-observing Sentinel-6 Michael Freilich satellite launched from Vandenberg Air Force Base in California aboard a SpaceX Falcon 9 rocket on Nov. 21, 2020 at 12:17 p.m. EST

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...

Jason-1 Launch Configuration

Jason-3

Jason-1 launch images

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

OSTM/Jason-2 Radiometer Antenna

Jason-3 Lifts Off!

Altimeter Applications - JPL Open House '99

Applications of Spaceborne Altimetry

Jason-3 on the Launch Pad

TOPEX/Poseidon Line Drawing

OSTM/Jason-2 Radiometer Antenna

Our planet is changing. Our ocean is rising. And it affects us all. That’s why a new international satellite will continue the decades-long watch over our global ocean and help us better understand...

Whale Census and Habitat

Spacecraft processing

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

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

Variability of Ocean Dynamic Topography

To provide scientists with essential information about global and regional changes in the seas, NASA will launch the Jason-3 satellite from Vandenberg Air Force Base in California.

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

OSTM/Jason-2 GPSP