inside the module, the crew is poked and prodded in different psychological experiments, from sleep deprivation to diminished privacy, all to fine—tune a critical component that could make or break any future mission to mars — the humans inside the spacecraft. the primary purpose of hera is to learn about the effects of isolation and confinement on people. so a lot of the studies that we do are behavioural or psychological in nature, looking at the type of isolation from people. so you're really only talking to or in contact with the other crew members