Jason-1: LRA instrument

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

TOPEX/Poseidon GPS

Jason-1 Line Drawing

Ocean Dynamic Topography

Poseidon-3 Altimeter

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

TOPEX/Poseidon Artist's Concept

Jason-1 launch images

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...

Jason-1: TRSR instrument

NASA and its U.S. and international partners have teamed up to launch a new Earth-observing satellite called Sentinel-6B that will measure sea surface height of most of the planet’s ocean. These ob...

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

Altimeter Mission Series

Jason-1 DORIS

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

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

QuickTime VR of TOPEX/Poseidon

Jason-3 Launch

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

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.

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

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

Jason-1 Altimeter

Jason-1 launch images

Variability of Ocean Dynamic Topography