A Mars 2020 Mission Engineering and Science Briefing is held at NASA’s Kennedy Space Center in Florida on July 27, 2020. Participating in the briefing from left, are Moderator DC Agle, NASA’s Jet Propulsion Laboratory; Lori Glaze, Planetary Science Division director, NASA Headquarters; and Ken Farley, project scientist, California Institute of Technology. The Mars Perseverance rover is scheduled to launch July 30, on a United Launch Alliance Atlas V 541 rocket from Space Launch Complex 41 at nearby Cape Canaveral Air Force Station. The rover is part of NASA’s Mars Exploration Program, a long-term effort of robotic exploration of the Red Planet. The rover will search for habitable conditions in the ancient past and signs of past microbial life on Mars. The Launch Services Program at Kennedy is responsible for launch management.