151210-N-PO203-045 ARLINGTON, Va. (Dec. 10, 2015) Mr. Sean Stackley, assistant secretary of the Navy, research, development and acquisition, provides a keynote address during the Department of the Navy SBIR/STTR Primes Summit held at the Office of Naval Research (ONR), located in Arlington, Va. (U.S. Navy photo by John F. Williams/Released)