Many problems occurred during the design process. Most of these occurred because the XIF-1 was very hard to see and therefore many migrant workers had huge problems seeing the aircraft. There were many injures encountered from workers walking right into the pieces and not even knowing they where there. Nobody really knows who first created the "If". There have been reports that IF-1s may have been used by the Nazi in World War II. However, nobody really had strong evidence until a few photographs were taken of the aircraft in the German night sky. This "Invisible Fighter Pic" was the reason that the United States to begin construction of there own prototype IF-1. By contracting the Free Masons and the FBI they were able to create an invisible fighter that spawned all sorts of conspiracy th