U.S. Air Force Airman 1st Class Samantha Dexheimer, 83rd Network Operations Squadron infrastructure cyber transport technician, asks Chief Master Sgt. Douglas McIntyre, Air Force Space Command command chief, a question at Langley Air Force Base, Va., May 15, 2015. McIntyre spoke with Airmen about the importance of job knowledge and performance for success in today’s Air Force. (U.S. Air Force photo by Staff Sgt. Teresa J. Cleveland/Released)