Jason-1 Artists Concept

This illustration shows the Sentinel-6 Michael Freilich spacecraft in orbit above Earth with its deployable solar panels extended.

Jason-1 Launch - Artists Concept

Jason-1: JMR instrument

Radiometer Install - Jan. 2007

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

Wind Speed

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

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

Water Vapor

Jason-1 Spacecraft Animation

TOPEX/Poseidon launch

OSTM/Jason-2 LRA

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

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: First Image

Jason-1 Line Drawing

Sea Surface Height

Jason-1 LRA

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

Jason-1 Radiometer

TOPEX/Poseidon GPS

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

TOPEX/Poseidon DORIS

TOPEX/Poseidon LRA

TOPEX/Poseidon Mission to Planet Earth