U.S. Army Sgt. Megan Van Oudenaren, Training and Doctrine Command Band vocalist, sings alongside Patriot Thistle, the band’s folk ensemble, during the “Celebrate the Holidays!” concert series at Fort Eustis, Va., Dec. 7, 2014. The band performed more than 15 holiday medleys, several of which featured Van Oudenaren, Patriot Thistle and other ensembles. (U.S. Air Force photo by Senior Airman Aubrey White/Released)