In a new letter sent to the Pentagon this week, eight of the largest defense contractors say they are preparing their estimated costs related to COVID-19 relief legislation and warn the Pentagon will need additional funding to cover these expenses. The letter , signed by the chief executives of BAE Systems, Boeing Defense, General Dynamics, Huntington Ingalls Industries, L3Harris Technologies, Lockheed Martin, Raytheon Technologies and Textron, was obtained by Inside Defense . Reuters first reported on it, but did...