Brief the Press Deputy Defense Secretary Patrick M. Shanahan, center, Undersecretary of State for Political Affairs Thomas A. Shannon Jr., left, and Deputy Energy Secretary Dan Brouillette brief the press on the 2018 Nuclear Posture Review at the Pentagon, Feb. 2, 2018. DoD photo by Navy Petty Officer 1st Class Kathryn E. Holm SHARE IMAGE: Download Image: Full Size (1.21 MB) Tags: NPR, deputy secretary of defense, dsd, Dan Brouillette, Deputy Secretary of Energy, Under Secretary of State for Political Affairs, homas A. Shannon, Nuclear Posture Review, 2018 NPR, 2018 Nuclear Posture Review, Department of Defense, DoD, Pentagon, Patrick M. Shanahan Photo By: Kathryn E. Holm VIRIN: 180202-D-SH953-0040.JPG Photo Gallery