AIR & SPACE MAGAZINE Working in the Dark Astronaut Rick Mastracchio performs a spacewalk outside the space station. NASA June 3, 2016 Recommended Videos Post a Comment
/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/2a/29/2a29bf83-7da4-42d8-84cb-69ee6aedc5ad/cfhgm3kuaaacd_kjpg_large.jpg)