The X-31A Vector is an ESTOL (extremely short takeoffs and landings) aircraft that Boeing has been working on for some time. The plane is being developed for the U.S. Navy, the Air Force, and the German Defense Forces.
Three views here:
http://www.boeing.com/phantom/images/X-31_4.jpg
More infomation:
http://www.boeing.com/phantom/x31.html