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The U.S. will not send armed forces to fight a ground war in Iraq, President Barack Obama reiterated Wednesday, a day after his top military adviser said he could envision recommending that the president deploy ground troops there.

"It is more effective to use our unique capabilities in support of our partners on the ground so they can secure their own countries' futures," Obama told service members at U.S. Central Command in Tampa, Florida. "That is the only solution that will succeed over the long term."

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Gen. Martin Dempsey told the Senate Armed Services Committee on Tuesday that if airstrikes did not end up being effective enough against Islamic extremist group ISIS, he would recommend putting troops in Iraq. Obama has said previously that he would not send in U.S. combat forces.

On Wednesday, Obama said leading a broad coalition of countries united against ISIS and supporting Iraqi troops on the ground is the best route to "degrade and ultimately destroy" the extremists.

"These terrorists will learn the same thing leaders of al Qaeda already know: We mean what we say. Our reach is long. If you threaten America, you will find no safe haven. We will find you eventually," he said, adding that U.S. troops have conducted more than 160 airstrikes against them so far.

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"We support you. We’re proud of you. We stand in awe of your skill and your service." —President Obama to our men and women in uniform — The White House (@WhiteHouse) September 17, 2014

— Elizabeth Chuck