Northrop X-47A First flight (2003). The J-UCAS program was being conducted in multiple overlapping spirals of increasing capability toward the objective system. Northrop Grumman built the X-47A air vehicle, and its associated mission control, support and simulation systems, to demonstrate the technical feasibility of J-UCAS concept. The larger X-47B air vehicle will more closely represent the operational system as currently envisioned and conduct demonstrations for both the Navy and the Air Forc

After 718 days in orbit, the Air Force's X-37B Orbital Test Vehicle mission 4 landed at NASA 's Kennedy Space Center Shuttle Landing Facility May 7, 2017. Managed by the Air Force Rapid Capabilities Office, the X-37B program is the newest and most advanced re-entry spacecraft that performs risk reduction, experimentation and concept of operations development for reusable space vehicle technologies. Secretary of the Air Force Public Affair | Military Videos