SIKORSKY, Igor I., with MORRIS, Charles Lester, deliver XR-4 at Wright Field Published on January 12, 2013 in 14 January 1942Full resolution (400 × 321) ← Previous Next → Igor I. Sikorsky an dCharles Lester Morris with the XR-4 at Wright Field, Ohio, March 1942. (U.S. Air Force)