Astronaut Michael López-Alegría Explains the Intricacies of a Spacewalk in the New NASA Series ‘Suiting Up’

Astronaut Michael López-Alegría explains the intricacies of a spacewalk—or extravehicular activity (EVA)—in the first edition of the new NASA series Suiting Up: Behind the Scenes. López-Alegría is the current American record-holder for most EVAs performed with 10, and has logged the second-longest EVA duration record with 67 hours and 40 minutes.