Today, as two of our NASA astronauts conduct the 220th spacewalk in support of the station, we received news of the death of our colleague Cosmonaut Alexei Leonov. We recognize and celebrate Alexei’s accomplishments as the first human to walk in space on March 18, 1965. pic.twitter.com/nFdnovGhQB

— International Space Station (@Space_Station) October 11, 2019