NASA is targeting 7:50 a.m. EDT (4:50 a.m. PDT) Thursday, July 30, for the launch of its Mars 2020 Perseverance rover on a United Launch Alliance Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida. The launch window is approximately two hours, with a launch opportunity every five minutes.

Questions may be asked via social media with the hashtag #CountdownToMars.

Full mission coverage is as follows:

Monday, July 27

1 p.m. EDT (10 a.m. PDT) - Mars 2020 Prelaunch News Conference. Participants include: NASA Administrator Jim Bridenstine Thomas Zurbuchen, associate administrator, NASA's Science Mission Directorate Omar Baez, launch director, NASA's Launch Services Program Matt Wallace, deputy project manager, JPL Tory Bruno, CEO, United Launch Alliance Jessica Williams, launch weather officer, 45th Space Force

3 p.m. EDT (noon PDT) - Mars 2020 Mission Engineering/Science Briefing. Participants include: Lori Glaze, NASA Planetary Science Division director Jennifer Trosper, deputy project manager, JPL Farah Alibay, mobility engineer, JPL Ken Farley, project scientist, Caltech Tanja Bosak, science team member, Massachusetts Institute of Technology



Tuesday, July 28

2 p.m. EDT (11 a.m. PDT) - Mars 2020 Mars Sample Return Briefing. Participants include: Thomas Zurbuchen, associate administrator, NASA's Science Mission Directorate David Parker, director of human and robotic exploration, ESA (European Space Agency) Jeff Gramling, NASA Mars Sample Return Program director Julie Townsend, sampling and caching operations lead, JPL Chris Herd, returned sample science participating scientist, University of Alberta Lisa Pratt, NASA planetary protection officer

4 p.m. EDT (1 p.m. PDT) - Mars 2020 Mission Tech and Humans to Mars Briefing. Participants include: Jeff Sheehy, chief engineer, NASA's Space Technology Mission Directorate Jim Watzin, NASA Mars Exploration Program director Michael Hecht, MOXIE principal investigator, Massachusetts Institute of Technology MiMi Aung, Ingenuity Mars Helicopter project manager, JPL Amy Ross, lead spacesuit engineer NASA's Johnson Space Center Michelle Rucker, Mars Integration Group lead, NASA's Johnson Space Center



Wednesday, July 29

Noon EDT (9 a.m. PDT) - Administrator Briefing. Participants include: NASA Administrator Jim Bridenstine NASA Deputy Administrator Jim Morhard Kennedy Center Director Bob Cabana NASA astronaut Zena Cardman

3:30 p.m. ET (12:30 p.m. PT) – NASA Social Q&A Live from the Jet Propulsion Laboratory Jessica Clarke, Mars 2020 fault protection engineer, JPL Christina Hernandez, Mars 2020 systems engineer, JPL Joby Razzell Hollis, astrobiologist and SHERLOC post-doctoral scholar, JPL



Thursday, July 30

7 a.m. EDT (4 a.m. PDT) - NASA TV live launch coverage begins

11:30 a.m. EDT (8:30 a.m. PDT) - Postlaunch News Conference

For more about the mission, visit https://mars.nasa.gov/mars2020