Forum Discussion Deputy Defense Secretary Patrick M. Shanahan speaks with CNN Pentagon correspondent Barbara Starr during the Reagan National Defense Forum at the Ronald Reagan Presidential Library in Simi Valley, Calif., Dec. 2, 2017. DoD photo by Air Force Tech. Sgt. Brigitte N. Brantley SHARE IMAGE: Download Image: Full Size (1.47 MB) Tags: Patrick M. Shanahan, DepSecDef Photo By: Brigitte N. Brantley VIRIN: 171202-D-GO396-0391.JPG Photo Gallery