the first spacewalk
challenger
The Russian cosmonaut Alexei Leonov
alexei leonov performed the first ever spacewalk
spacewalk
The Russian Cosmonaut Alexei Leonov was first to spacewalk on the 18th March 1965
the first spacewalk
1965
9-14-67Ed White made the United States' first spacewalk on 3 June 1965 during the Gemini 4 mission
Spacewalk does not have an abbreviation.
20 minutes
Neil Armstrong
neail Armstrong i think
challenger
neil armstrong
No, first spacewalk was by cosmonaut Aleksei Leonov on March 18, 1965 during Voskhod 2 mission. Buzz Aldrin made a 5 hour spacewalk in November 1966 (the longest up to that point) during the Gemini XII mission.
The Russian cosmonaut Alexei Leonov