Secretary of the Air Force Barbara M. Barrett watches 724th Expeditionary Air Base Squadron firefighters demonstrate their tactics for rescuing a downed team member during her visit to Nigerien Air Base 201, Niger, Dec. 21, 2019. While at the installation, Barrett learned how each unit supports the mission from building the future of the base to defending its assets and personnel. (U.S. Air Force photo by Staff Sgt. Alex Fox Echols III)