| Keywords: blackandwhite monochrome black and white NH 43900:  USS Akron (ZRS-4).  Flying over the southern end of Manhattan Island, New York City, circa 1931-1933.  Naval History and Heritage Command Photograph.  (2015/12/29). NH 43900:  USS Akron (ZRS-4).  Flying over the southern end of Manhattan Island, New York City, circa 1931-1933.  Naval History and Heritage Command Photograph.  (2015/12/29).  |