Jason-1 launch images

The joint U.S.-European Sentinel-6 Michael Freilich is the next in a line of Earth-observing satellites that will collect the most accurate data yet on sea level and how it changes over time. With ...

SpaceX Falcon 9 Rocket

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.

Jason-3 on the Launch Pad

Jason-1: TRSR instrument

Ionospheric Total Electron Content

Spacecraft processing

This artist's concept show Jason-3 over the Amazon.

Jason-1 launch images

Experts from NASA, ESA, EUMETSAT, and NOAA discuss the upcoming launch of Sentinel-6 Michael Freilich in a recorded live broadcast

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.

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

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

OSTM/Jason-2 LRA

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

Altimeter Applications - JPL Open House '99

TOPEX/Poseidon Ground Tracks

Jason-1 Poster

OSTM/Jason-2 Radiometer Antenna

Jason-3 3D Model

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

Ariane 42P launch vehicle

OSTM/Jason-2 Radiometer Antenna

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 LRA