The 48-51 vote on Wednesday was mostly split along party lines.

The U.S. military conducts a deadly military strike against an alleged drug boat tied to the cartel Tren de Aragua, in a still from video of the strike shared by President Donald Trump on Truth Social on Sept. 2, 2025. @realDonaldTrump via Truth Social
The U.S. Senate has voted against legislation seeking to direct the withdrawal of the U.S. military from hostilities that have not been authorized by Congress.
The proposal was a direct challenge to President Donald Trump’s decision as commander in chief to use military force against drug cartels operating in waters around the United States.