NUCLEAR REVIEW REMARKS Thomas P. D'Agostino, undersecretary of Defense for nuclear security and administrator of the National Nuclear Security Administration, at podium, speaks with members of the press about the Nuclear Posture Review during a press conference with Ellen Tauscher, undersecretary of Defense for arms control and international security, left, and Jim Miller, principal deputy undersecretary of Defense for policy, center, at the Pentagon, April 6, 2010. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 177242-N-GOA57-454.jpg Photo Gallery