Aug. 18-21: 6th Annual Space and Missile Defense Conference and Exhibition. The National Defense Industrial Association sponsors this event, which this year has the theme of "Space & Missile Defense: Evolution or Revolution." Huntsville, Ala. See www.smdconf.org

Aug. 19-24: MAKS, International Aviation and Space Salon. Moscow. See www.airshow.ru/etable.htm

Aug. 31-Sept. 5: The International Symposium on Air Breathing Engines. This event is billed as a venue for technical interchange and professional networking. Cleveland. See www.conted.vt.edu/isabe

Sept. 3-5: 8th India International Civil and Defense Equipment & Systems Exhibition and Conference 2003. Ashok Convention Center, New Delhi, India. E-mail satcon@nde.vsnl.net.in

Sept. 7-9: 9th World Route Development Forum. The event is billed as an annual route development meeting of the world's airlines and airports. Edinburgh International Convention Center, Edinburgh, Scotland. See www.routesonline.com

Sept. 8-12: 2003 Aerospace Congress & Exhibition. Palais des Congres, Montreal. See www.aerospace-na.com

Sept. 10-11: Aviation Industry Conference's Aero Engines Expo; 12th Annual Aero Engine Overhaul & Maintenance Conference & Show. London Heathrow Airport. See www.aviation-industryconferences.com

Sept. 29-Oct. 2: International Aviation Training Symposium. Cox Convention Center, Oklahoma City. See www.halldale.com/iats

Oct. 1-2: Military Airlift and Tankers Conference. The SMI Group sponsors this conference, which explores the role of military airlift and tankers in the modern battlefield. The Hatton, London. See www.smi-online.co.uk

Oct. 7-9: NBAA Annual Meeting and Convention. The National Business Aviation Association, an advocacy group for the business aviation community, sponsors this event. Orange County Convention Center, Orlando, Fla. See www.nbaa.org

Boeing Frontiers assembles the above listings for the convenience of its readers only, and they do not constitute an endorsement by The Boeing Company. Times, dates and subject matter are subject to change or cancellation. If you have any items you wish Frontiers to consider for the Calendar, please e-mail them to boeingfrontiers@boeing.com, or send them by regular mail to Boeing Frontiers magazine, 100 N. Riverside, MC: 5003-0983, Chicago, IL 60606-1596.