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NASA announces new Moon Base missions, a completed ISS spacewalk, and an ongoing Swift boost mission, highlighting America's 250th birthday space exploration efforts.
NASA is live-streaming a spacewalk where astronauts Chris W. and Jessica replace a wrist joint on the ISS's Canadarm2 robotic arm.
Aleksandr Samokutyaev, a Russian cosmonaut and former ISS crew member, has died at age 56, becoming the first former ISS crew member to die. He flew on two missions and performed two spacewalks.
NASA will provide live coverage on May 27 as two Roscosmos cosmonauts conduct a spacewalk to install a solar radiation experiment on the Zvezda service module of the International Space Station.