Air Force Museum -- Sikorsky R-4 helicopter first to be mass-produced in U.S., is on display at Wright-Patterson Air Force Base in Fairborn, Ohio.

Sikorsky Aircraft photo.

Sikorsky R-4, first to be mass-produced in US, Air Force Museum

121 views
0

Air Force Museum -- Sikorsky R-4 helicopter first to be mass-produced in U.S., is on display at Wright-Patterson Air Force Base in Fairborn, Ohio.

Sikorsky Aircraft photo.

 

Added to Historical Records - Igor... and categorized in 7 months ago

In this album