The Mars Science Laboratory (MSL) mission, featuring the renowned Curiosity rover, was designed to assess the planet's past and present habitability. Equipped with an array of advanced scientific instruments, including a drill and a sample analysis unit, Curiosity explored the Gale Crater, a site believed to contain evidence of ancient Martian environments. It delivered groundbreaking discoveries, including the detection of organic molecules and the confirmation of an ancient, potentially habitable lake bed.

Atlas V with 5m Fairing, 4 SRB, 1 Centaur upper stage engine.

United Launch Alliance (ULA) is a joint venture of Lockheed Martin Space Systems and Boeing Defense, Space & Security. ULA was formed in December 2006 by combining the teams at these companies which provide spacecraft launch services to the government of the United States. ULA launches from both coasts of the US. They launch their Atlas V vehicle from LC-41 in Cape Canaveral and LC-3E at Vandeberg. Their Delta IV launches from LC-37 at Cape Canaveral and LC-6 at Vandenberg.

• NASA Large Strategic Science Missions

  Exploration
  NASA's large strategic science missions or large strategic missions, formerly known as Flagship missions or Flagship-class missions, are the costliest and most capable NASA science spacecraft. Flagship missions exist within all four divisions of NASA's Science Mission Directorate (SMD): the astrophysics, Earth science, heliophysics and planetary science divisions.
  Program wiki

• National Aeronautics and Space AdministrationGovernment