t - 10 minutes

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.

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

Jason-1 launch images

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

The Falcon 9 protective payload fairing containing the Sentinel-6 Michael Freilich satellite

Ocean Dynamic Topography

TOPEX/Poseidon launch

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

TOPEX/Poseidon Radiometer

Water Vapor

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

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

Sea Level

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.

QuickTime VR of TOPEX/Poseidon

Jason-1 Launch Configuration

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

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

Jason-1 atop the Delta II Photo: Tom Shain

Jason-1 in full flight configuration

Jason-1 Lithograph

Jason-1 DORIS

High Resolution Jason-1 launch images

TOPEX/Poseidon LRA

OSTM/Jason-2 LRA