OSTM/Jason-2 Artist's Concept

Whale Census and Habitat

OSTM/Jason-2 Artist's Concept

OSTM/Jason-2 Spacecraft

This is an artist's concept of the Sentinel-6 Michael Freilich spacecraft.

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.

The SpaceX Falcon 9 rocket carrying the Sentinel-6 Michael Freilich spacecraft lifts off from Space Launch Complex 4 at Vandenberg Air Force Base in California, Nov. 21, 2020, at 9:17 a.m. PST

Jason-1 launch images

TOPEX/Poseidon Altimeter

Wind Speed

TOPEX/Poseidon Collecting Data

High Resolution Jason-1 launch images

Jason-1 Lithograph

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 ...

High Resolution Jason-1 launch images

TOPEX/Poseidon Mission to Planet Earth

TOPEX/Poseidon DORIS

Altimeter Mission Series

Jason-1 DORIS

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 ...

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

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

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

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

Inside half of the Delta Clam shell faring

TOPEX/Poseidon Line Drawing