U.S.S. Gerald Ford

In this photo provided by the U.S. Navy, the USS Gerald R. Ford embarked on the first of its sea trials to test various state-of-the-art systems on its own power for the first time Saturday, April 8, 2017, from Newport News, Va. The first of the Navy's new class of aircraft carriers will spend several days conducting builder's sea trials, a comprehensive test of many of the ship's key systems and technologies. (Mass Communication Specialist 2nd Class Ridge Leoni/U.S. Navy via AP)

Also on alert: The defense industrial base

Now two wars, which the U.S. is helping to supply, put the strain on the defense industrial base

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