S-67 Blackhawk: The Attack Helicopter the Pentagon Kept Saying No To | The National Interest
Alex Mark - Staff Project Engineer - Sikorsky | LinkedIn
14-20691) USA - United States Army Sikorsky HH-60M Blackhawk by Alex H | AeroXplorer Photo Database
Plane New York To Moscow Flight -- The giant Sikorsky plane in which William Alexander and four others will attempt to fly from New York to Moscow, Russia, via The Southern Route