How to Watch NASA's 300th Spacewalk on Tuesday
Video Credit: AmazeLab - Duration: 01:06s - Published
How to Watch NASA's 300th Spacewalk on Tuesday
On Tuesday, July 21st, astronauts Chris Cassidy and Bob Behnken will finish a 3.5-year-long effort to upgrade to the International Space Station's power system, marking the 300th spacewalk completed by U.S. astronauts.
