In his recent campaign video, Sen. John McCainJohn Sidney McCainMcConnell: 'Whoever gets to 60 wins' on immigration Meghan McCain: Melania is 'my favorite Trump, by far' Kelly says Trump not likely to extend DACA deadline MORE (R-Ariz.) addresses his support of the President's surge of troops in Iraq.

"When you take a position which you know, at least in the short term, cannot be popular with your constituents or other Americans but you know is right, that's courage," he says.

Additionally, in a clip from one of his campaign speeches spliced into the campaign spot, he states, "We're Americans and we'll never surrender."