Jason-1 Artists Concept

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

TOPEX/Poseidon Line Drawing

Applications of Spaceborne Altimetry

Jason-1 DORIS

Jason-1 Line Drawing

OSTM/Jason-2 Radiometer Antenna

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

Poseidon-3 Altimeter

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

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

QuickTime VR of TOPEX/Poseidon

Jason-3 on the Launch Pad

TOPEX/Poseidon LRA

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

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

High Resolution Jason-1 launch images

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

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.

TOPEX/Poseidon Ground Tracks

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.

Jason-1 launch images

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.

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