Stanley McChrystal, 61
Retired General
If Trump wants a real soldier at his side, there is no more a military man than Stanley McChrystal. The West Point grad and Green Beret headed the secret Joint Special Operations Command from 2003-2008 when it captured Saddam Hussein and al-Qaeda leader Abu Musab al-Zarqawi. In 2009, President Obama appointed him as top commander in Afghanistan.