Jason-1 Artists Concept

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

In this illustration, the Sentinel-6 Michael Freilich spacecraft - the world's latest sea-level satellite - orbits Earth with its deployable solar panels extended.

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

t - 7 minutes - Photo: Tom Shain

OSTM/Jason-2 Radiometer Antenna

The Sentinel-6 Michael Freilich satellite sits in front of a testing chamber where mission team members tested whether the spacecraft could endure the loud sounds it will encounter during launch.

TOPEX/Poseidon Launch

Jason-3 Lifts Off!

Ocean Dynamic Topography

Jason-1 Altimeter

OSTM/Jason-2 Line Drawing

Jason-1 launch images

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

Ariane 42P launch vehicle

Jason-1: JMR instrument

Applications of Spaceborne Altimetry

TOPEX/Poseidon over Earth

Jason-1 DORIS

Jason-1 LRA

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

Watch the Jason-3 Science Briefing from Friday, Jan 15, 2016 - panelists discussed the science and research of the Jason-3 mission.

Poseidon-3 Altimeter

TOPEX/Poseidon Radiometer

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

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...