Don Bacon warns Trump abandoning NATO would severely damage the Republican Party’s future

Republican lawmaker pushes back on NATO rupture talk as Iran conflict strains alliances
Don Bacon warned that a unilateral Trump move to break up NATO would spark a Republican caucus 'civil war' (Getty Images)
Don Bacon warned that a unilateral Trump move to break up NATO would spark a Republican caucus 'civil war' (Getty Images)

WASHINGTON, DC: Republican Congressman Don Bacon warned that any move by President Donald Trump to pull the United States out of NATO would trigger a deep internal crisis within the Republican Party.

“If he broke up NATO on his own, it would be a civil war in the Republican caucus,” Bacon said, adding that such a decision would be “totally unacceptable” to a large section of GOP lawmakers.

He stressed that many Republicans remain committed to long-standing alliances and view them as essential to countering global powers like China and Russia.

WASHINGTON, DC - MAY 6: Rep. Don Bacon (R-NE) arrives for a House Republican conference meeting at the U.S. Capitol on May 6, 2025 in Washington, DC. House Republicans are meeting to discuss their reconciliation budget plan. (Photo by Andrew Harnik/Getty Images)
Rep Don Bacon arrives for a House Republican conference meeting at the US Capitol on May 6, 2025, in Washington, DC. House Republicans are meeting to discuss their reconciliation budget plan (Photo by Andrew Harnik/Getty Images)

Bacon warns ‘party would implode’ if US exits from NATO 

Bacon warned that dismantling NATO could have lasting political consequences for Republicans.

“It would probably destroy the party for many years,” he said. “There would be many that will never forgive that.”

He later reiterated that the GOP could “implode” if the US were to exit the alliance, underlining the depth of divisions within the party over Trump’s foreign policy approach.

President Donald Trump speaks during a meeting with Irish Prime Minister Micheál Martin in the Oval Office of the White House, on St. Patrick's Day, Tuesday, March 17, 2026, in Washington. (AP Photo/Alex Brandon)
Trump speaks during a meeting with Irish Prime Minister Micheál Martin in the Oval Office of the White House, on St Patrick's Day, Tuesday, March 17, 2026, in Washington (AP Photo/Alex Brandon)

Trump doubles down on NATO criticism

The warning came after Trump launched a fresh attack on NATO allies, accusing them of failing to support US military operations against Iran.

In a Truth Social post, Trump argued that despite widespread agreement that Iran must not acquire nuclear weapons, allied nations had refused to participate in ongoing operations.

“Because of the fact that we have had such Military Success, we no longer ‘need’ or desire the NATO Countries’ assistance — WE NEVER DID!” he wrote.

He also extended the argument to key US partners in the Indo-Pacific, including Japan, Australia and South Korea, declaring that the United States does not require support from any nation.

Oil tankers and cargo ships line up in the Strait of Hormuz as seen from Khor Fakkan, United Arab Emirates, Wednesday, March 11, 2026. (AP Photo/Altaf Qadri)
Oil tankers and cargo ships line up in the Strait of Hormuz as seen from Khor Fakkan, United Arab Emirates, Wednesday, March 11, 2026 (AP Photo/Altaf Qadri)

Hormuz crisis adds pressure to the ongoing rift 

The dispute comes against the backdrop of rising tensions in the Strait of Hormuz, a vital global trade route that has remained shut since the conflict began on February 28.

Trump has been pushing for an international coalition to escort commercial vessels through the waterway, which is critical for transporting oil, gas and other commodities.

He warned earlier that NATO faces a “very bad” future if member states fail to support such efforts, though he has not specified which countries have agreed to participate.

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