"General Campbell could serve as a very positive role model for our general and flag rank officers," says David Segal, an emeritus professor at the University of Maryland College Park and a military sociologist. Milley's apology also raises questions for all military professionals in the age of Trump, who at times fails to adhere to the traditional separation of military and politics that can slide into outright partisanship — with the president referring to "my generals" or suggesting that soldiers at one base supported him. If a military officer walks away, and makes a scene, "some would argue that this is the military not following constitutional orders and that we have a civilian military problem," she says.