In medicine, we often draw some of our lessons on safety from the aviation industry (i.e.: preoperative checklists), here we will explore a host of pearls that medicine can learn from the brilliant minds at NASA to help augment one’s practice as an expert clinician. Commander Chris Hadfield has previously discussed a riveting tale regarding his first ever space walk1. During his mission, he was tasked with helping to assemble the Canada 2 …