TOPEX/Poseidon Line Drawing

QuickTime VR of TOPEX/Poseidon

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.

Variability of Ocean Dynamic Topography

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

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

Oceans' Role in Climate - Jason-1

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

Ocean Dynamic Topography

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

Jason-1 Launch - Artists Concept

Jason-1 on top of the DPAF

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

Jason-1: LRA instrument

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

TOPEX/Poseidon Altimeter

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

TOPEX/Poseidon Mission to Planet Earth

Jason-1: First Image

Jason-1 launch images

In this illustration, the Sentinel-6 Michael Freilich spacecraft - the world's latest sea-level satellite - orbits Earth with its deployable solar panels extended.

OSTM/Jason-2 LRA

To provide scientists with essential information about global and regional changes in the seas, NASA will launch the Jason-3 satellite from Vandenberg Air Force Base in California.

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

TOPEX/Poseidon GPS