Two NASA astronauts prepared the International Space Station (ISS) for the addition of a new solar array on the first U. S. Spacewalk in almost a year.
Expedition 74 crewmates Jessica Meir and Chris Williams ventured outside of the space station's Quest airlock at 8:52 a.m. EDT (1252 GMT) on Wednesday (March 18) to install a mount for an advanced power-producing solar panel.
Once unfurled, it will be the seventh of eight rollout arrays to be deployed since the upgrades began in 2021. The iROSA assemblies are smaller than the legacy four solar wings on the U. S.