Poseidon-3 Altimeter

OSTM/Jason-2 GPSP

OSTM/Jason-2 Line Drawing

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.

t - 7 minutes - Photo: Tom Shain

t - 12 minutes

Jason-3

OSTM/Jason-2 Radiometer Antenna

Mission team members perform acoustic tests of the Sentinel-6 Michael Freilich satellite in a chamber outfitted with giant speakers that blast the spacecraft with sound. This is to ensure that the ...

OSTM/Jason-2 LRA

TOPEX/Poseidon launch

TOPEX/Poseidon DORIS

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

Jason-1 launch images

Jason-1 LRA

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

TOPEX/Poseidon Line Drawing

Whale Census and Habitat

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

t - 10 minutes

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

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

Jason-1 Altimeter

Jason-1 Radiometer

TOPEX/Poseidon Artist's Concept