The White House pushed out several prominent Trump administration appointees from their posts on the advisory boards of U.S. military service academies, administration officials said on Wednesday.

The Biden administration was seeking to ensure that nominees and board members were “qualified to serve on them” and “aligned” with the president’s values, Jen Psaki, the White House press secretary, said at a White House briefing. Chris Meagher, a White House spokesman, later confirmed that all of the appointees “either resigned or has been terminated from their position.”

Eighteen Trump appointees were asked to...