Igor Sikorsky Quotes: It would be right to state that, with the successful flight of the XR-4 in the summer of 1942, the ...

It would be right to state that, with the successful flight of the XR-4 in the summer of 1942, the helicopter became a reality in the United States. (Igor Sikorsky)

Igor Sikorsky Quotes Pictures

Igor Sikorsky Quotes: It would be right to state that, with the successful flight of the XR-4 in the summer of 1942, the helicopter became a reality in the United States.

Igor Sikorsky Quotes: It would be right to state that, with the successful flight of the XR-4 in the summer of 1942, the helicopter became a reality in the United States.

Igor Sikorsky Quotes: It would be right to state that, with the successful flight of the XR-4 in the summer of 1942, the helicopter became a reality in the United States.

Igor Sikorsky Quotes: It would be right to state that, with the successful flight of the XR-4 in the summer of 1942, the helicopter became a reality in the United States.

Igor Sikorsky Quotes: It would be right to state that, with the successful flight of the XR-4 in the summer of 1942, the helicopter became a reality in the United States.

Igor Sikorsky Quotes: It would be right to state that, with the successful flight of the XR-4 in the summer of 1942, the helicopter became a reality in the United States.

Igor Sikorsky Quotes: It would be right to state that, with the successful flight of the XR-4 in the summer of 1942, the helicopter became a reality in the United States.

Igor Sikorsky Quotes: It would be right to state that, with the successful flight of the XR-4 in the summer of 1942, the helicopter became a reality in the United States.

Igor Sikorsky Quotes: It would be right to state that, with the successful flight of the XR-4 in the summer of 1942, the helicopter became a reality in the United States.

Igor Sikorsky Quotes: It would be right to state that, with the successful flight of the XR-4 in the summer of 1942, the helicopter became a reality in the United States.

Igor Sikorsky Quotes: It would be right to state that, with the successful flight of the XR-4 in the summer of 1942, the helicopter became a reality in the United States.

Igor Sikorsky Quotes: It would be right to state that, with the successful flight of the XR-4 in the summer of 1942, the helicopter became a reality in the United States.

Igor Sikorsky Quotes: It would be right to state that, with the successful flight of the XR-4 in the summer of 1942, the helicopter became a reality in the United States.

Igor Sikorsky Quotes: It would be right to state that, with the successful flight of the XR-4 in the summer of 1942, the helicopter became a reality in the United States.

Igor Sikorsky Quotes: It would be right to state that, with the successful flight of the XR-4 in the summer of 1942, the helicopter became a reality in the United States.