OSTM/Jason-2 Artist's Concept

Sea Surface Height

Jason-1 TRSR

OSTM/Jason-2 Line Drawing

Inside half of the Delta Clam shell faring

Ionospheric Total Electron Content

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...

High Resolution Jason-1 launch images

Jason-1 launch images

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.

Watch the Jason-3 Mission Briefing from Friday, Jan 15, 2016 - panelists gave an overview of the Jason-3 mission.

TOPEX/Poseidon Line Drawing

TOPEX/Poseidon over Earth

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.

OSTM/Jason-2 Spacecraft

Launch preparations are progressing! (11/21/01) Photos: Stacy Mitchell of John Hopkins APL/TIMED project

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

High Resolution Jason-1 launch images

OSTM/Jason-2 Radiometer Antenna

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

TOPEX/Poseidon Radiometer

Jason-1 atop the Delta II Photo: Tom Shain

These photos were taken during the Payload Attach Fitting (PAF) mating operation with Jason-1. (11/14/01) Photos: Scott Michel

Mission team members perform acoustic tests of the Sentinel-6 Michael Freilich satellite in a chamber outfitted with giant speakers that blast the spacecraft with sound. This is to ensure that the ...

Jason-1 in full flight configuration

These photos were taken during the Payload Attach Fitting (PAF) mating operation with Jason-1. (11/14/01) Photos: Scott Michel