U.S. Air Force Tech. Sgt. Justin Allen, U.S. Air Force Heritage of America Band vocalist, performs a holiday song during the Holiday Memories in Blue concert at Tabb High School in Yorktown, Va., Dec. 6, 2017. Each year the band performs at multiple holiday concerts in the local area, as well as neighboring states. (U.S. Air Force photo by Airman 1st Class Tristan Biese)