Watch the International Space Station's new roll-out solar array begin to unfurl in a process that takes about 12 minutes to complete. This is the helmet camera view from astronaut Steve Bowen:

LIVE: Steve Bowen and @Astro_Woody are installing a new roll-out solar array outside the @Space_Station. Today's spacewalk is scheduled to start around 8:55am ET (1255 UTC) and run for six hours.

Astronauts Frank Rubio and @Astro_Alneyadi are closing the hatch in the @Space_Station's Quest airlock as Steve Bowen and @Astro_Woody prepare to step outside for today's spacewalk.

Suits are set to battery power and today's spacewalk is underway! This is Hoburg's second spacewalk and Bowen's 10th—tying a record for most spacewalks made by a U.S. astronaut.

Astronauts-eye view 🧑‍🚀 Take a look through the helmet cams of @Astro_Woody and Steve Bowen as they prepare to install a roll-out solar array during today's spacewalk.

Another spacewalk in the books! 👏 Today’s spacewalk concluded at 2:17pm ET (1817 UTC) and lasted 5 hours and 35 minutes. Steve Bowen and @Astro_Woody installed a new roll-out solar array and completed numerous additional tasks outside the @Space_Station.

@Space_Station Wow, that's really cool! It's amazing to see the new solar array start to unfurl and take shape the International Space Station is such an incredible feat of engineering and human ingenuity what do you find most fascinating about space exploration and the work that astronauts do

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@Space_Station This is truly amazing!