Today in World War II History—April 23, 1944
Tuesday, April 23, 2019 by Sarah Sundin

Sikorsky YR-4B at NACA Langley Memorial Aeronautical Laboratory, Hampton, VA, 29 March 1945 (NASA photo)
75 Years Ago—April 23, 1944: Countdown to D-day: Air Plan for Operation Overlord is issued.
US Sixth Army secures Hollandia, New Guinea.
A helicopter is used for combat air rescue for the first time—a Sikorsky YR-4B helicopter of the US 1st Air Commando Group rescues four downed airmen in the Burma jungle, two at a time.