Market news: GM has entered the missile supply chain to produce parts for Lockheed Martin's Patriot PAC-3 MSE interceptor bomb to help the US replenish its depleted weapons inventory. GM delivered the first batch of missile shell components in August.

Market news: GM has entered the missile supply chain to produce parts for Lockheed Martin's Patriot PAC-3 MSE interceptor bomb to help the US replenish its depleted weapons inventory. GM delivered the first batch of missile shell components in August.