Joyful noise! Published Dec. 16, 2009 DOVER AIR FORCE BASE, Del. -- The Air Force Heritage Band Brass Quartet entertains staff at the Air Force Mortuary Affairs Operations Center on Dec. 16. This was the second time in three years that the group played at AFMAO during the holidays and their 15 minute concert consisted of a wide variety of holiday music. The band visited various sections at Dover Air Force Base during their two-day tour here.