General Stanley McChrystal was the architect behind the Afghanistan War strategy until a public clash with the White House ended his army career. Tonight, Sean Hannity sits down with the retired general to reveal the truth behind the controversy.

In the sneak peek below, Gen. McChrystal tells Sean how he really felt about resigning. “The first people I thought I’d let down were [...] the soldiers. And I thought I’d let down the mission

,” he said.

He goes on to describe his wife’s reaction when he told her the news. “I thought I knew the response, and I walked in and she was standing in the entranceway and I said, ‘It’s over...’”

Watch the sneak peek clip below and tune in tonight at 9p ET to Hannity for the must-see interview!