The United States Air Force (USAF) Band Holiday Concert for Kids is on Dec. 8, 10:30 a.m., at the DAR Constitution Hall, 18th and D Streets NW. The concert is about 60 minutes long. Reservations are required. To reserve seats, teachers should send their email, school name, number of students and chaperones attending, and general age or grade level of students attending at [email protected]mil. Requests will be taken on a first-come, first-served basis.