Griffin Speaks Dr. Michael D. Griffin, undersecretary of Defense for Research and Engineering, speaks at the 11th annual McAleese Defense Programs Conference in Washington, D.C., March 4, 2020. SHARE IMAGE: Download Image: Small (0 KB)| Medium (122.88 KB)| Full Size (0.98 MB) Photo By: David Vergun, DOD VIRIN: 200304-D-UB488-0011M.JPG Photo Gallery