As the Belgium's National Day is planned for Saturday July 21st, here is a first look on what you will be able to see in the Brussels airspace: Combat Aircraft (F-16AM/BM), Trainers (SF.260 Marchetti and Alpha Jets), Helicopters (NH90 TTH, Seaking Mk 48, Alouette III, and A109 Hirundo), and Transport Aircraft (C-130H Hercules, Airbus A321, and Embraer ERJ 135).