"A problem arises with the Mars Ascent Vehicle (MAV) that may jeopardize the crew's safety. " - Synopsis
For Centuries Sailors carried Two of everything as Backups in their "Ditty Bag" since they might be on board a ship for Months to Years.
For quite some time NASA has had "Redundant Systems" and Backups including "Manual Overrides", and even "Old School Analog (On Off Switches and Valves)".
For Centuries Sailors carried Two of everything as Backups in their "Ditty Bag" since they might be on board a ship for Months to Years.
For quite some time NASA has had "Redundant Systems" and Backups including "Manual Overrides", and even "Old School Analog (On Off Switches and Valves)".