Retired Air Force Col. Mary Lockhart, President and Chief Executive Officer of PEMDAS Technologies, discusses the importance of science, technology, engineering and mathematics (STEM) to a full house at a symposium hosted by the Air Force Technical Applications Center, Patrick Air Force Base, Fla. Seen with Lockhart is Dr. Eileen K. Preisser (center), senior Air Force representative to the National Geospatial-Intelligence Agency and Dr. Sue Wilson-Yates, former manager of environmental affairs and institutional products for the Colgate-Palmolive Company, six-time patent holder and Inventor of the Year by the New Jersey Institute of Technology. (U.S. Air Force photo by Matthew Jurgens)