TOPEX/Poseidon Line Drawing

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

Applications of Spaceborne Altimetry

For NASA scientist Severine Fournier, studying our planet knows no borders.

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

Inside half of the Delta Clam shell faring

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

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 GPSP

OSTM/Jason-2 Line Drawing

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

Jason-1 in full flight configuration

OSTM/Jason-2 LRA

Jason-1 on top of the DPAF

NASA and its U.S. and international partners have teamed up to launch a new Earth-observing satellite called Sentinel-6B that will measure sea surface height of most of the planet’s ocean. These ob...

TOPEX/Poseidon Artist's Concept

OSTM/Jason-2 Artist's Concept

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

t - 7 minutes - Photo: Tom Shain

TOPEX/Poseidon over Earth

OSTM/Jason-2 Radiometer Antenna

High Resolution Jason-1 launch images

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

t - 12 minutes

Jason-3 on the Launch Pad

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