Nick Lachey and Gen. Mark Welsh, chief of staff of the Air Force, introduce Fall Out Boy during a VH1 and Papa John's Super Bowl Blitz: A Concert for the Troops event at Luke Air Force Base, Arizona, Jan. 30, 2015. Charli XCX and Fall Out Boy came out to Luke to show support for the troops during the concert. (U.S. Air Force photo by Senior Airman James Hensley)