Core Viewpoint - U.S. defense contractor Lockheed Martin is actively pursuing opportunities to sell its Thaad missile defense system to European nations as military spending increases in response to Russian threats [1] Group 1: Company Actions - Lockheed Martin is targeting European buyers for its Thaad missile defense system [1] - The company has communicated its intentions to the German newspaper Handelsblatt [1] Group 2: Industry Context - European governments are accelerating military spending due to perceived threats from Russia [1]