|The X-56A on its first flight|
|National origin||United States|
|Manufacturer||Lockheed Martin Skunk Works|
|First flight||July 26, 2013|
Air Force Research Laboratory
The Lockheed Martin X-56A is a modular unmanned aerial vehicle designed to explore high altitude, long endurance (HALE) flight technologies for use in future military unmanned reconnaissance aircraft, as well as contributing knowledge to the future X-54 low-boom supersonic research programme, and future low emissions transport aircraft.
Design and development
Designed by Lockheed Martin's Advanced Development Programs, known informally as the Skunk Works, the aircraft was first revealed by Aviation Week, and is intended to research active flutter suppression and gust-load alleviation technologies. The X-56A is based on Lockheed's earlier UAV work, showing influence from the Polecat, Sentinel and DarkStar UAVs. The programme calls for the construction of two 7.5 feet (2.3 m)-long fuselages and a wingspan of 27.5 ft, with four sets of wings being constructed for flight testing.
The X-56A made its first flight on July 26, 2013, flying from Edwards Air Force Base; twenty flights were to be flown on behalf of the Air Force Research Laboratory before the aircraft would be handed over to NASA for further testing.
Data from 
- Crew: None
- Wingspan: 28 ft (8.5 m)
- Powerplant: 2 × JetCat P400 turbojets, 89 lbf (0.395 kN) thrust each
- "X-56A". www.lockheedmartin.com. http://www.lockheedmartin.com/us/products/x-56.html. Retrieved 15 September 2012.
- "Introducing the X-56A MUTT: Who Let the Dog Out?". NASA. http://www.nasa.gov/topics/aeronautics/features/x-56a_mutt.html. Retrieved 15 September 2012.
- Norris, Guy. "USAF Reveals Skunk Works-Designed X-56A As Latest X-Plane". aviationweek. http://www.aviationweek.com/Article.aspx?id=/article-xml/asd_02_01_2012_p01-02-419766.xml. Retrieved 15 September 2012.
- "Lockheed Martin X-56A Multi-utility Aeroelastic Demonstrator". www.hitechweb.genezis.eu. http://www.hitechweb.genezis.eu/x56.htm. Retrieved 15 September 2012.
- Jordan, Holly (July 31, 2013). "X-56A technology demonstrator achieves first flight". Wright-Patterson Air Force Base: Air Force Research Laboratory. http://www.wpafb.af.mil/news/story.asp?id=123358028. Retrieved 2013-10-09.
- Warwick, Graham (August 6, 2013). "Skunk Works' X-56A - Taming Flutter". Aviation Week & Space Technology. http://www.aviationweek.com/Blogs.aspx?plckBlogId=Blog:27ec4a53-dcc8-42d0-bd3a-01329aef79a7&plckPostId=Blog%3A27ec4a53-dcc8-42d0-bd3a-01329aef79a7Post%3Ae01821a0-29c8-429b-9717-93375d16d0b2. Retrieved 2013-10-09.
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