FILE - President Donald Trump, center, sits with retired Army Lt. Gen. Keith Kellogg, right, at Trump's Mar-a-Lago estate in Palm Beach, Fla., Feb. 20, 2017. President-elect Donald Trump’s choice for defense secretary is still up in the air, but it’s a sure bet he will look to pick a loyalist following his tumultuous first term. (AP Photo/Susan Walsh, File)