Shanahan Deputy Defense Secretary Pat Shanahan outlines the U.S. commitment to U.N. peacekeeping operations at the 2017 U.N. Peacekeeping Defense Ministerial in Vancouver, Canada, Nov. 15, 2017. Shanahan highlighted the important role peacekeepers play in peace and stability around the world, while noting that reforms are needed to address some issues. DoD photo by Lisa Ferdinando SHARE IMAGE: Download Image: Full Size (1.88 MB) Tags: Deputy Defense Secretary Pat Shanahan Photo By: DoD VIRIN: 171115-D-BN624-001.JPG Photo Gallery