Today in World War II History—May 17, 1942
Tuesday, May 17, 2022 by Sarah Sundin

Sikorsky YR-4B at NACA Langley Memorial Aeronautical Laboratory, Hampton, VA, 29 March 1945 (NASA Langley photo: EL-2003-00296)
80 Years Ago—May 17, 1942: Germans counterattack near Kharkov, ending Soviet advance in Ukraine.
Igor Sikorsky and Les Morris fly XR-4, the US Army’s first helicopter, 700 miles from Stratford, CT, to Wright Field, OH.