Czech Republic. South Moravian Region. Brno. The International Defence and Security Technologies (IDET 2021) fair is an important defence and security technology show. Two businessmen on L3Harris Pavillon. Czech and American Flags. A video presentation with a U.S. Air Force B-52 aircraft. L3Harris Technologies (L3Harris) is an American technology company, defense contractor and information technology services provider that produces avionics and electronic systems. 6.10.21 © 2021 Didier Ruef