Former director of NASA’s Earth Science Division, Mike Freilich, speaks at a renaming ceremony for the international ocean science satellite previously known as Sentinel-6A/Jason-CS, Tuesday, January 28, 2020, at NASA Headquarters in Washington. NASA and its European partners renamed the satellite Sentinel-6 Michael Freilich after Dr. Freilich. Sentinel-6A Michael Freilich will observe and record global sea level changes and will be joined by an identical satellite slated to launch in 2025 for a total of ten years of targeted observations. Photo Credit: (NASA/Aubrey Gemignani)

NASA Administrator Jim Bridenstine applauds NASA’s former director of the Earth Science division, Dr. Michael Freilich, right, during a renaming ceremony for the international ocean science satellite previously known as Sentinel-6A/Jason-CS, Tuesday, January 28, 2020, at NASA Headquarters in Washington. NASA and its European partners renamed the satellite Sentinel-6 Michael Freilich after him. Sentinel-6A Michael Freilich will observe and record global sea level changes and will be joined by an identical satellite slated to launch in 2025 for a total of ten years of targeted observations.” Photo Credit: (NASA/Aubrey Gemignani)

Former director of NASA’s Earth Science Division, Mike Freilich, gestures at the conclusion of a renaming ceremony for the international ocean science satellite previously known as Sentinel-6A/Jason-CS, Tuesday, January 28, 2020, at NASA Headquarters in Washington. NASA and its European partners renamed the satellite Sentinel-6 Michael Freilich after him. Sentinel-6A Michael Freilich will observe and record global sea level changes and will be joined by an identical satellite slated to launch in 2025 for a total of ten years of targeted observations. Photo Credit: (NASA/Aubrey Gemignani)

EUMETSAT director-general, Alain Ratier, speaks at a renaming ceremony for the international ocean science satellite previously known as Sentinel-6A/Jason-CS, Tuesday, January 28, 2020, at NASA Headquarters in Washington. NASA and its European partners renamed the satellite Sentinel-6 Michael Freilich after NASA’s former director of the Earth Science division, Dr. Michael Freilich. Sentinel-6A Michael Freilich will observe and record global sea level changes and will be joined by an identical satellite slated to launch in 2025 for a total of ten years of targeted observations.” Photo Credit: (NASA/Aubrey Gemignani)

ESA (European Space Agency) director of Earth Observation Programmes, Josef Aschbacher, announces that the international ocean science satellite previously known as Sentinel-6A/Jason-CS has been renamed Sentinel-6 Michael Freilich after NASA’s former director of the Earth Science division, Dr. Michael Freilich, Tuesday, January 28, 2020, at NASA Headquarters in Washington. Sentinel-6A Michael Freilich will observe and record global sea level changes and will be joined by an identical satellite slated to launch in 2025 for a total of ten years of targeted observations. Photo Credit: (NASA/Aubrey Gemignani)

Former director of NASA’s Earth Science Division, Mike Freilich is seen onstage at the conclusion of a renaming ceremony for the international ocean science satellite previously known as Sentinel-6A/Jason-CS, Tuesday, January 28, 2020, at NASA Headquarters in Washington. NASA and its European partners renamed the satellite Sentinel-6 Michael Freilich after Dr. Freilich. Sentinel-6A Michael Freilich will observe and record global sea level changes and will be joined by an identical satellite slated to launch in 2025 for a total of ten years of targeted observations. Photo Credit: (NASA/Aubrey Gemignani)

Head of Global Issues and Innovation of the European Union delegation to the United States, Mercedes Garcia Pérez speaks at a renaming ceremony for the international ocean science satellite previously known as Sentinel-6A/Jason-CS, Tuesday, January 28, 2020, at NASA Headquarters in Washington. NASA and its European partners renamed the satellite Sentinel-6 Michael Freilich after NASA’s former director of the Earth Science division, Dr. Michael Freilich. Sentinel-6A Michael Freilich will observe and record global sea level changes and will be joined by an identical satellite slated to launch in 2025 for a total of ten years of targeted observations.” Photo Credit: (NASA/Aubrey Gemignani)

NASA associate administrator for Science, Thomas Zurbuchen, speaks at a renaming ceremony for the international ocean science satellite previously known as Sentinel-6A/Jason-CS, Tuesday, January 28, 2020, at NASA Headquarters in Washington. NASA and its European partners renamed the satellite Sentinel-6 Michael Freilich after NASA’s former director of the Earth Science division, Dr. Michael Freilich. Sentinel-6A Michael Freilich will observe and record global sea level changes and will be joined by an identical satellite slated to launch in 2025 for a total of ten years of targeted observations.” Photo Credit: (NASA/Aubrey Gemignani)

ESA (European Space Agency) director of Earth Observation Programmes, Josef Aschbacher, left, presents NASA’s former director of the Earth Science division, Dr. Michael Freilich with an award after announcing that the international ocean science satellite previously known as Sentinel-6A/Jason-CS has been renamed Sentinel-6 Michael Freilich after him, Tuesday, January 28, 2020, at NASA Headquarters in Washington. Sentinel-6A Michael Freilich will observe and record global sea level changes and will be joined by an identical satellite slated to launch in 2025 for a total of ten years of targeted observations. Photo Credit: (NASA/Aubrey Gemignani)

National Oceanic and Atmospheric Administration (NOAA) assistant administrator for Satellite and Information Services, Stephen Volz, speaks at a renaming ceremony for the international ocean science satellite previously known as Sentinel-6A/Jason-CS, Tuesday, January 28, 2020, at NASA Headquarters in Washington. NASA and its European partners renamed the satellite Sentinel-6 Michael Freilich after NASA’s former director of the Earth Science division, Dr. Michael Freilich. Sentinel-6A Michael Freilich will observe and record global sea level changes and will be joined by an identical satellite slated to launch in 2025 for a total of ten years of targeted observations.” Photo Credit: (NASA/Aubrey Gemignani)

ESA (European Space Agency) director of Earth Observation Programmes, Josef Aschbacher, left, presents NASA’s former director of the Earth Science division, Dr. Michael Freilich with an award after announcing that the international ocean science satellite previously known as Sentinel-6A/Jason-CS has been renamed Sentinel-6 Michael Freilich after him, Tuesday, January 28, 2020, at NASA Headquarters in Washington. Sentinel-6A Michael Freilich will observe and record global sea level changes and will be joined by an identical satellite slated to launch in 2025 for a total of ten years of targeted observations. Photo Credit: (NASA/Aubrey Gemignani)

NASA associate administrator for Science, Thomas Zurbuchen, left, makes closing remarks with Dr. Michael Freilich, right, at the conclusion of a renaming ceremony for the international ocean science satellite previously known as Sentinel-6A/Jason-CS, Tuesday, January 28, 2020, at NASA Headquarters in Washington. NASA and its European partners renamed the satellite Sentinel-6 Michael Freilich after NASA’s former director of the Earth Science division, Dr. Michael Freilich. Sentinel-6A Michael Freilich will observe and record global sea level changes and will be joined by an identical satellite slated to launch in 2025 for a total of ten years of targeted observations. Photo Credit: (NASA/Aubrey Gemignani)

NASA associate administrator for Science, Thomas Zurbuchen, speaks at a renaming ceremony for the international ocean science satellite previously known as Sentinel-6A/Jason-CS, Tuesday, January 28, 2020, at NASA Headquarters in Washington. NASA and its European partners renamed the satellite Sentinel-6 Michael Freilich after NASA’s former director of the Earth Science division, Dr. Michael Freilich. Sentinel-6A Michael Freilich will observe and record global sea level changes and will be joined by an identical satellite slated to launch in 2025 for a total of ten years of targeted observations.” Photo Credit: (NASA/Aubrey Gemignani)

The audience applauds NASA’s former director of the Earth Science division, Dr. Michael Freilich, right, at the conclusion of a renaming ceremony for the international ocean science satellite previously known as Sentinel-6A/Jason-CS, Tuesday, January 28, 2020, at NASA Headquarters in Washington. NASA and its European partners renamed the satellite Sentinel-6 Michael Freilich after him. Sentinel-6A Michael Freilich will observe and record global sea level changes and will be joined by an identical satellite slated to launch in 2025 for a total of ten years of targeted observations. Photo Credit: (NASA/Aubrey Gemignani)

Front row, from left to right, EUMETSAT director-general, Alain Ratier; National Oceanic and Atmospheric Administration (NOAA) assistant administrator for Satellite and Information Services, Stephen Volz; ESA (European Space Agency) director of Earth Observation Programmes, Josef Aschbacher; NASA associate administrator for Science, Thomas Zurbuchen; NASA Administrator Jim Bridenstine; and Former director of NASA’s Earth Science Division, Mike Freilich and his wife are seen in the audience at a renaming ceremony for the international ocean science satellite previously known as Sentinel-6A/Jason-CS, Tuesday, January 28, 2020, at NASA Headquarters in Washington. NASA and its European partners renamed the satellite Sentinel-6 Michael Freilich after NASA’s former director of the Earth Science division, Dr. Michael Freilich. Sentinel-6A Michael Freilich will observe and record global sea level changes and will be joined by an identical satellite slated to launch in 2025 for a total of ten years of targeted observations. Photo Credit: (NASA/Aubrey Gemignani)

From left to right, National Oceanic and Atmospheric Administration (NOAA) assistant administrator for Satellite and Information Services, Stephen Volz; ESA (European Space Agency) director of Earth Observation Programmes, Josef Aschbacher; Former director of NASA’s Earth Science Division, Mike Freilich; NASA Administrator Jim Bridenstine; Head of Global Issues and Innovation of the European Union delegation to the United States, Mercedes Garcia Pérez; EUMETSAT director-general, Alain Ratier; and NASA associate administrator for Science, Thomas Zurbuchen pose for a group photo at the conclusion of a renaming ceremony for the international ocean science satellite previously known as Sentinel-6A/Jason-CS, Tuesday, January 28, 2020, at NASA Headquarters in Washington. NASA and its European partners renamed the satellite Sentinel-6 Michael Freilich after Dr. Freilich. Sentinel-6A Michael Freilich will observe and record global sea level changes and will be joined by an identical satellite slated to launch in 2025 for a total of ten years of targeted observations. Photo Credit: (NASA/Aubrey Gemignani)

The Sentinel-6A spacecraft sits in its clean room in Germany's IABG space test center. The satellite is being prepared for a scheduled launch in November 2020 from Vandenberg Air Force Base in California. The spacecraft is part of Sentinel-6/Jason-CS, a 10-year mission by U.S and European agencies that will continue to study rising sea levels. The mission consists of two identical satellites, Sentinel-6A and Sentinel-6B, launching five years apart and follows in the footsteps of four other joint U.S.-European satellite missions — TOPEX/Poseidon and Jason-1, Ocean Surface Topography/Jason-2, and Jason-3 — that over the past three decades have documented Earth's oceans rising by an average of 0.1 inches (3 millimeters) per year. Sentinel-6/Jason-CS will study not just sea level change but also changes in ocean circulation, climate variability such as El Niño and La Niña, and weather patterns, including hurricanes and storms. It is being jointly developed by the European Space Agency (ESA), the European Organisation for the Exploitation of Meteorological Satellite (EUMETSAT), NASA and the National Oceanic and Atmospheric Administration (NOAA) with funding support from the European Commission and support from France's National Centre for Space Studies (CNES). NASA's contributions to the Sentinel-6 mission are science instrument payloads for the two Sentinel-6 satellites, launch services for those satellites, ground systems supporting the science instruments operations and support for the international Ocean Surface Topography Science Team. https://photojournal.jpl.nasa.gov/catalog/PIA23549