S. service members killed since hostilities commenced.
"To belittle this mission is to belittle and demean the very service these members gave their life for," Mast said.
"Their sacrifice was not meaningless.
This operation is bringing reckoning for the hundreds of times Iran has attacked and killed people of the United States of America."
Opposing lawmakers argued that executive actions bypassed necessary legislative approval. Panel leadership raised concerns over the constitutionality of the sustained military operations.
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The service members who died made the ultimate sacrifice for "an illegal unauthorized war that the American people don’t want," said Representative Gregory Meeks.
Democratic leaders pledged to maintain pressure on the executive branch through continued legislative votes.
"If Donald Trump won’t listen to the people and end this war then Congress must," said Senate Minority Leader Chuck Schumer, D-N.
Y.
Senate leaders noted rising economic strains and casualty figures associated with the continued operation.
"We are in this new escalatory phase where Americans have been killed, and Americans are experiencing the rising costs — I think it’s important that people be held accountable," said Maryland Sen.
Chris Van Hollen, a Democrat who led the Senate effort on Thursday. "And this is a very unpopular war."
President Trump previously criticized Republicans who backed war powers restrictions, labeling the initial June House resolution as "unpatriotic" and "meaningless" on social media.
Following a June vote, Trump called the four Republicans who voted with Democrats "GRANDSTANDERS!" and said they should be "ashamed of themselves."