TOPEX/Poseidon Artist's Concept

Sea Surface Height

This artist's concept show Jason-3 over France.

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

TOPEX/Poseidon Line Drawing

Variability of Ocean Dynamic Topography

SpaceX Falcon 9 Rocket

Wave Height

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

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

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.

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

TOPEX/Poseidon GPS

Spacecraft processing

For NASA scientist Severine Fournier, studying our planet knows no borders.

TOPEX/Poseidon Launch

OSTM/Jason-2 DORIS

OSTM/Jason-2 Spacecraft

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

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

OSTM/Jason-2 Artist's Concept

Altimeter Mission Series

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

Jason-3 Satellite Prepared For Launch

Radiometer Install - Jan. 2007

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