Secretary of Defense Mattis praises Gen. McDew, Gen. Lyons during ceremony

Secretary of Defense James Mattis praises retiring Gen. Darren McDew during the Change of Command for U.S. Transportation Command at Scott Air Force Base. Gen. McDew relinquished command to Gen. Lyons.
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Secretary of Defense James Mattis praises retiring Gen. Darren McDew during the Change of Command for U.S. Transportation Command at Scott Air Force Base. Gen. McDew relinquished command to Gen. Lyons.