Vice President Michael Pence and U.S. Air Force General

Vice President Michael Pence and U.S. Air Force General Lori J. Robinson, the commander of the North American Aerospace Defense Command and U.S. Northern Command exit the blast doors inside Cheyenne Mountain Air Force Station, June 23, 2017. The Vice President was accompanied by the Secretary of the Air Force, the Honorable Heather Wilson, and received briefings to better familiarize them with the unique mission that NORAD and USNORTHCOM have in defense of Canada and the United States. (DoD Photo By: N&NC Public Affairs/Released)