I live a bout a mile from Ft. Belvoir and have been hearing Helo noise since last night and again this AM, its is coming from the south and sounds like many Helo's coming and going and a few smaller jets landing, any ideas/ KJ4DGE -- Gregory S Danes 8101 Orville st. Alexandria, VA 22309 danesgs1 at gmail.com Phone. 571-216-2126