‘Show box’ closures Published March 25, 2009 81st Training Wing Public Affairs KEESLER AIR FORCE BASE, BILOXI, MISS. -- Biloxi's Back Bay will close intermittently to civilian and maritime traffic, 10 a.m. to 5:30 p.m. April 2-5, according to Federal Aviation Administration regulations during practice times and air show performances. Those regulations also close Ploesti Drive from the child development center to the north entrance of Bay Ridge, as well as the marina and Bay Breeze Golf Course, during the same hours. Base personnel aren't permitted to watch practices or the air show from Bay Breeze or the marina during the show box closure times.