U.S. Vice President Michael R. Pence arrives at Joint Base Langley-Eustis, Va., April 29, 2017. Pence stopped at JBLE on his way to the USS Indiana Christening Ceremony, for which he was the keynote speaker, at the Newport News Shipyard. (U.S. Air Force photo/Senior Airman Derek Seifert)

U.S. Vice President Michael R. Pence is greeted by U.S. Air Force Chief Master Sgt. Kennon Arnold, 633rd Air Base Wing command chief, and U.S. Air Force Col. Caroline Miller, 633rd ABW commander, at Joint Base Langley-Eustis, Va., April 29, 2017. After visiting JBLE, Pence presented a keynote speech for the Christening Ceremony of the U.S. Navy’s newest attack submarine at the Newport News Shipyard. (U.S. Air Force photo/Senior Airman Derek Seifert)

U.S. Vice President Michael R. Pence poses with service members for a photo at Joint Base Langley-Eustis, Va., April 29, 2017. Pence visited with the JBLE community before traveling to the Newport News Shipyard for the Christening Ceremony of the U.S. Navy’s newest attack submarine. (U.S. Air Fore photo/Senior Airman Derek Seifert)