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News Release, NASA

NASA is targeting 7:50 a.m. EDT 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.

Live launch coverage will begin at 7 a.m., on NASA Television and the agency’s website.

The mission – designed to better understand the geology and climate of Mars and seek signs of ancient life on the Red Planet – will use the robotic scientist, which weighs just under 2,300 pounds (1,043 kilograms) and is the size of a small car, to collect and store a set of rock and soil samples that could be returned to Earth by future Mars sample return missions. It also will test new technologies to benefit future robotic and human exploration of Mars.

NASA’s Jet Propulsion Laboratory, managed by Caltech in Southern California, built the Perseverance rover and will manage mission operations for NASA. The agency’s Launch Services Program, based at NASA’s Kennedy Space Center in Florida, is responsible for launch management.

Mars 2020 Perseverance is part of America’s larger Moon to Mars exploration approach that includes missions to the Moon as a way to prepare for human exploration of the Red Planet. Charged with sending the first woman and next man to the Moon by 2024, NASA will establish a sustained human presence on and around the Moon by 2028 through NASA’s Artemis program.

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

Full mission coverage is as follows (all times Eastern):

Monday, July 27

  • 1 p.m. – 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. – 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. – 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. – 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 – Administrator Briefing. Participants include:
    • NASA Administrator Jim Bridenstine
    • NASA Deputy Administrator Jim Morhard
    • Kennedy Center Director Bob Cabana
    • NASA astronaut Zena Cardman

No phone bridge will be available for this event. In-person media at Kennedy’s Press Site countdown clock may ask questions.

Thursday, July 30

  • 7 a.m. – NASA TV live launch coverage begins
  • 11:30 a.m. – Postlaunch News Conference

The launch also will be available on local amateur VHF radio frequency 146.940 MHz and UHF radio frequency 444.925 MHz, heard within Brevard County on Florida’s Space Coast.

For more information, visit:

https://mars.nasa.gov/mars2020/