Mars 2020 Perseverance Prelaunch

Kennedy Space Center Deputy Director Janet Petro, left, is seen with NASA Deputy Administrator Jim Morhard as they answer social media questions ahead of the launch of NASA’s Mars 2020 Perseverance rover, Wednesday, July 29, 2020, at NASA’s Kennedy Space Center in Florida. The Perseverance rover is part of NASA’s Mars Exploration Program, a long-term effort of robotic exploration of the Red Planet. Launch is scheduled for Thursday, July 30. Photo Credit: (NASA/Joel Kowsky)