Boeing said it secured about $2.7 billion in multiyear contracts from Lockheed Martin last month to produce seekers for the Patriot Advanced Capability-3 interceptor, underscoring surging demand for missile defense systems as global tensions mount. On Oct. 14, Boeing announced the deals which were executed in September; the announcement was timed to align with the Association of the U.S. Army’s annual conference in Washington. The agreements will add more than 3,000 seekers to the production pipeline, with annual output reaching...