A PACE (Plankton, Aerosol, Cloud, ocean Ecosystem) mission and science briefing takes place at NASA’s Kennedy Space Center in Florida on Sunday, Feb. 4, 2024. Participants, from left to right are: Katherine Rohloff, NASA Communications; Kate Calvin, Chief Scientist, and Senior Climate advisor, NASA Headquarters; Karen St. Germain, Earth Science Division director, NASA Headquarters; Jeremy Werdell, PACE project scientist, NASA’s Goddard Space Flight Center; Andy Sayer, PACE Atmospheric Scientist, NASA’s Goddard Space Flight Center; and Natasha Sadoff, Satellite Needs Program Manager, NASA Headquarters. PACE is NASA’s newest earth-observing satellite that will help increase our understanding of Earth’s oceans, atmosphere, and climate by delivering hyperspectral observations of microscopic marine organisms called phytoplankton, as well new data on clouds and aerosols. Liftoff aboard a SpaceX Falcon 9 rocket from Space Launch Complex 40 at Cape Canaveral Space Force Station in Florida is set for no earlier than 1:33 a.m. EST on Tuesday, Feb 6, 2024.