The United States decisively entered into conflict with Iran on Saturday after President Donald Trump ordered US warplanes to drop massive bombs on three nuclear sites inside the country, thrusting him squarely into an escalating Middle East conflict even as he holds out hope the matter can be resolved diplomatically.

Professors from Temple and Penn discuss the mixed messaging about wanting a regime change and Iran's ability to retaliate.

More than two dozen U.S. Air Force KC-135R and KC-46A tankers took off from bases across the U.S. and headed east over the Atlantic, The War Zone reported earlier. The U.S. Navy's aircraft carrier USS Nimitz has also appeared to be heading toward the Middle East from Asia.