QuickTime VR of TOPEX/Poseidon

Sea Surface Height 01/2006-04/2010

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

Mike Davis in front of the faring

Jason-3 Satellite Prepared For Launch

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

Jason-CS/Sentinel-6 - How they will work

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.

Altimeter Mission Series

NASA and its partners announced the renaming of the mission, previously known as Sentinel-6A/Jason-CS.

Jason-1 launch images

Jason-1: TRSR instrument

Sea Level Isn't Level - Why it matters

Jason-3 Lifts Off!

The Jason-2 satellite sees something brewing in the Pacific. Researchers say it could be a significant El Niño with implications for global weather and climate.

The SpaceX Falcon 9 rocket carrying the Sentinel-6 Michael Freilich spacecraft lifts off from Space Launch Complex 4 at Vandenberg Air Force Base in California, Nov. 21, 2020, at 9:17 a.m. PST

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.

Early morning at the launch pad

Jason-1 atop the Delta II Photo: Tom Shain

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

Greenland and Antarctica are home to most of the world's glacial ice – including its only two ice sheets – making them areas of particular interest to scientists.

SpaceX Falcon 9 Rocket

After living in coastal Virginia and seeing the effects of climate change firsthand, Ben Hamlington is now researching sea level rise at NASA JPL.

Decades of Discovery - How altimeters help us every day.

Jason-1 Artists Concept

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