WASHINGTON (AP) — The words spoken by America's top military officer carried a familiar ring, but in the midst of a chaotic week at the Pentagon, they were particularly poignant.

"We are unique among militaries," said Gen. Mark Milley, the chairman of the Joint Chiefs of Staff. "We do not take an oath to a king or a queen, a tyrant or a dictator. We do not take an oath to an individual."

Milley was speaking Wednesday at the dedication of an Army museum in a week that saw President Donald Trump fire Defense Secretary Mark Esper and install three staunch loyalists to senior Pentagon policy posit...