"Hey @ElonMusk, when you finally get the nerve to climb into a rocket ship, come talk to the three of us," Captain Mark Kelly added.

Arizona's U.S. Sen. Mark Kelly and his twin brother, Scott Kelly, slammed Elon Musk after he insulted another astronaut on X.

Union support still matters in Democratic politics and Kelly has moved to erase organized labor's doubts about him.

Sen. Mark Kelly (D-Ariz.) and his brother, Scott Kelly, both retired astronauts, on Friday called out tech billionaire Elon Musk over his attacks on an astronaut on his social platform X.

SpaceX CEO Elon Musk is continuing to burn bridges with the international space community following a spat with a former astronaut, who publicly called him out for lying to the public. Earlier this month,