Defense Secretary Pete Hegseth’s move to ax the size of the U.S. military's top ranks has triggered concerns of a political purge.Hegseth, who on Monday directed significant cuts to the U.S. military’s senior-most positions, has already fired several top leaders with no explanation.His latest plan could now eliminate roughly 100 generals and admirals, which he said was necessary to remove “redundant force structure” and streamline Pentagon bureaucracy.But while