Jason-1 on top of the DPAF

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: TRSR instrument

Jason-3 Launch

For NASA JPL engineer Parag Vaze, studying Earth’s rising ocean has been a career three decades in the making.

Variability of Ocean Dynamic Topography

Jason-1 launch images

The SpaceX Falcon 9 with the Sentinel-6 Michael Freilich satellite is lifted to vertical at Space Launch Complex 4

This artist's concept show Jason-3 over the Amazon.

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...

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.

Poseidon-3 Altimeter

OSTM/Jason-2 GPSP

Jason-1 Lithograph

Sea Level

TOPEX/Poseidon Altimeter

Wind Speed

Applications of Spaceborne Altimetry

t - 10 minutes

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

Jason-1 Line Drawing

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

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

Radiometer Install - April 2007

Jason-1 Launch - Artists Concept

OSTM/Jason-2 Artist's Concept