What to know

• The aerospace giant intends to invest hundreds of millions of dollars of its own cash in the missile alone, alongside additional investments in its seeker and solid rocket motor, said Tim Cahill, president of Lockheed’s missiles and fire control division.S1
• Lockheed Martin Corp. unveiled a new missile interceptor designed to outperform its most capable Patriot variant, as the US Army seeks to expand its air defense capabilities against increasingly sophisticated threats like hypersonic missiles.S2