2016 Defenders of Liberty Airshow
Capt. Sara Harper, U.S. Air Force Air Demonstration Squadron public affairs officer, Nellis Air Force Base, Nev., signs autographs for cadets from the Louisiana Wing of the Civil Air Patrol during the 2016 Defenders of Liberty Airshow at Barksdale Air Force Base, La., May 1. Harper, or Thunderbird 12, is responsible for the team’s marketing, recruiting and publicity programs. (U.S. Air Force photo/Staff Sgt. Joseph A. Pagán Jr.)