Robert Soofer Robert Soofer, deputy assistant secretary of defense for nuclear and missile defense policy, speaks virtually at the Air Force Association Mitchell Institute Nuclear Deterrence Forum from the Pentagon, Sept. 2, 2020. SHARE IMAGE: Download Image: Full Size (0.33 MB) Photo By: Marine Corps Sgt. Dylan C. Overbay, DOD VIRIN: 200902-D-JH334-0046C.JPG Photo Gallery