Whale Census and Habitat

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

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.

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

TOPEX/Poseidon DORIS

This is an artist's concept of the Sentinel-6 Michael Freilich spacecraft.

On Aug. 26, 2015 at 9:30 a.m. PT, NASA hosted a media teleconference to discuss recent insights on sea level rise and the continuing challenge of predicting how fast and how much sea level will ris...

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

Poseidon-3 Altimeter

Bringing Satellite Data Down to Earth

OSTM/Jason-2 Artist's Concept

The Sentinel-6 Michael Freilich satellite sits in front of a testing chamber where mission team members tested whether the spacecraft could endure the loud sounds it will encounter during launch.

Water Vapor

OSTM/Jason-2 LRA

Earth’s rising seas are some of the most visible signs of our warming planet. Over the last 23 years, NASA satellite missions have observed a steady rise in global sea levels as polar ice sheets me...

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. 

Growing up in landlocked Zimbabwe, NASA JPL engineer Shailen Desai was far from the ocean but still experienced its effects on the climate. Now, he is contributing to an international effort to tra...

TOPEX/Poseidon over Earth

Jason-1: LRA instrument

OSTM/Jason-2 Radiometer Antenna

SpaceX Falcon 9 Rocket

Radiometer Install - April 2007

Altimeter Applications - JPL Open House '99

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

Our Rising Seas infographic (version 2020)