Senator Mark Kelly, an Arizona Democrat and former astronaut, visited Ukraine over the weekend and said the United States could not give up on the people there as they fight Russia. Musk responded on X.

"It's not 'America First' to pull the rug out from under an ally and leave their people to die," Sen. Mark Kelly said after his visit to Ukraine.

U.S. DOGE Service leader Elon Musk on Monday called decorated Navy pilot and former NASA astronaut Sen. Mark Kelly (D-Arizona) a traitor in a post on X after the senator visited Ukraine and expressed his support for the country in its war with Russia.

Billionaire Elon Musk and Democratic Senator Mark Kelly have traded barbs, following the latter’s recent trip to Ukraine.  For context, the Arizona Senator shared images of his visit to Ukraine in a thread on X,

President Donald Trump’s increasingly influential adviser, Elon Musk, called Sen. Mark Kelly (D-AZ) “a traitor” over a social media post about the Arizona Democrat’s recent visit to Ukraine. The senator’s visit to Ukraine was his third since the country was invaded by Russia in 2022,

U.S. Sen. Mark Kelly of Arizona visited Ukraine this past weekend, in support of the country’s fight against Russia’s invasion. After Kelly posted about the trip on social media, X owner and President Donald Trump ally Elon Musk called Kelly a traitor.

Sen. Mark Kelly (D-Ariz.) spent the weekend in Ukraine gathering harrowing information on the impact of President Trump's pause on military aid and information sharing. Why it matters: "When you negotiate the end of a conflict,

In a press release, Kelly "was briefed by U.S. embassy officials and Ukrainian military leaders, visited defense industry sites, heard from wounded service members, and met with the International Red Cross Committee.