Astronauts complete 2 battery-replacement spacewalks

Astronauts complete 2 battery-replacement spacewalks

One of the main reasons the Demo-2 crew — NASA’s Doug Hurley and Bob Behnken — is staying aboard the International Space Station for so long is so they can help the Expedition 63 crew, commanded by NASA astronaut Chris Cassidy, with various tasks aboard the outpost, including the final test of battery upgrades on the external truss.

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