Space.com #One-Year Mock Mars Crew ‘Returns to Earth’: HI-SEAS Photos 29 August 2016 fborgosano Leave a comment Share: After a full year of living in isolation, six crew members for the HI-SEAS program returned to civilization on Aug. 28. The mission will help NASA prepare to send astronauts to distant locations like Mars. from Space.com ift.tt/2bx9DjM Share: