Undersecretary of Defense Undersecretary of Defense for Acquisition and Sustainment Ellen M. Lord speaks at the Defense Acquisition Achievement Awards ceremony in the Hall of Heroes at the Pentagon, Feb. 5, 2019. SHARE IMAGE: Download Image: Full Size (2.7 MB) Tags: reform, under secretary of defense, defense acquisition award Photo By: Army Sgt. Amber I. Smith VIRIN: 190205-D-SV709-0032C.JPG Photo Gallery