evidence: Editor’s Note, Jan. 26, 2024: The crew roster for this HERA mission has been updated. NASA selected a crew of four volunteers to participate in a simulated journey to Mars inside a habitat at the agency’s Johnson Space Center in Houston. [...] The upcoming mission marks the first of four simulated missions to Mars that researchers will carry out using HERA in 2024. Each mission will include a different crew of four astronaut-like research volunteers. The final mission is slated to end Dec. 16.