Col. Dawn Dunlop, 412th Test Wing commander (left), and Col. Stephen O‘Connor, Air Force Flight Test Center vice commander (right), greet Assistant Secretary of the Navy, The Honorable Sean J. Stackley (center) during his visit to Edwards April 19. Mr. Stackley dropped by the X-47 Unmanned Combat Aerial System test team during his visit. He is the ASN for Research Development and Acquisition. As the Navy‘s acquisition executive, Mr. Stackley is responsible for the research, development and acquisition of Navy and Marine Corps platforms and warfare systems, which includes oversight of more than 100,000 people and an annual budget in excess of $50 billion. (Air Force photo by Kevin North)