Dr. David E. Walker, Deputy Assistant Secretary of the Air Force for Science, Technology, and Engineering, Office of the Assistant Secretary of the Air Force for Acquisition
U.S. Air Force
before 11 April 2013 <div style="display: none;">date QS:P,+2013-04-11T00:00:00Z/7,P1326,+2013-04-11T00:00:00Z/11</div>
<a rel="nofollow" class="external text" href="https://docs.house.gov/meetings/AS/AS26/20130416/100657/HHRG-113-AS26-Bio-WalkerD-20130416.pdf">Dr. David E. Walker</a>