Official U. S. Navy Photograph
Looking down from plane at the surface of the sea with wind of 15 knots (17 miles an hour).

Official U. S. Navy Photograph
Sea surface with winds of 40 knots (46 miles an hour).

Official U. S. Navy Photograph
Sea surface with winds of 75 knots (86 miles an hour).

Official U. S. Navy Photograph
Sea surface with winds of 120 knots (138 miles an hour). Tops of big waves are torn off and carried away in a white boiling sheet.

Superfortress B-29 used by Air Force for hurricane hunting.