Jason-3 Ready for Launch

TOPEX/Poseidon Ground Tracks

OSTM/Jason-2 LRA

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

Jason-1 Altimeter

t - 12 minutes

TOPEX/Poseidon DORIS

Sea Surface Height

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 ...

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

Jason-3 on the Launch Pad

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.

Jason-1 Line Drawing

Jason-1 DORIS

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

OSTM/Jason-2 Line Drawing

TOPEX/Poseidon launch

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

Jason-1 on top of the DPAF

TOPEX/Poseidon over Earth

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

Jason-3 Satellite Prepared For Launch

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

Ocean Dynamic Topography

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

A key ocean observation satellite has been named after Earth scientist Michael Freilich