By Jesse Brynes, Jun. 12, 2015, The Hill

The United States will need combat troops on the ground to defeat the Islamic State in Iraq and Syria (ISIS), former President George W. Bush suggested in a new interview.

"The president will have to make that determination," Bush said in an interview published Friday with the Israel Hayom newspaper when asked if ISIS could be defeated without ground troops.

"My position was that you need to have boots on the ground," he said.

Bush made the comments days after President Obama said he was sending more troops to Iraq. Obama has authorized sending up to 450 additional U.S. troops "to train, advise, and assist" local Iraqi forces battling ISIS, White House spokesman Josh Earnest said. They will not serve in combat.

There are currently 3,100 U.S. military members in Iraq, with all serving in an advisory role. The Obama administration has also opted for airstrikes to combat the terrorist group in Syria, where it has taken over large areas of land.

Bush said he faced the "very difficult decision" as president to double-down and send additional U.S. troops to Iraq amid mounting casualties and eroding public support for the war.

"I think history will show that al-Qaida in Iraq was defeated," said Bush, who in the interview described al Qaeda as "ISIS as far as I am concerned."

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