Deputy Defense Secretary Patrick M. Shanahan, Deputy Energy Secretary Dan Brouillette and Undersecretary of State for Political Affairs Thomas A. Shannon Jr., co-host the nuclear posture review rollout during a press briefing at the Pentagon, Feb. 2, 2018. After the rollout, Acting Assistant Secretary of State for Arms Control, Verification and Compliance Anita E. Friedt, Undersecretary of Defense for Policy John C. Rood and Acting Undersecretary for Nuclear Security and National Nuclear Security Administration Administrator Steve Erhart will answer questions from reporters. The event begins at 2:30 p.m. EST.