Diagram of the island's invasion beaches, identified by s green, red, yellow and blue; the alternate beaches on the other side of Iwo Jima, identified by s purple, brown, white and orange; the landing ship and transport areas offshore; and the lines of approach used by boats from USS Sanborn (APA-93) to Beaches Blue One and Two. Original 35mm transparency of a dragram probably prepared by Howard W. Whalen after World War II. Note that the arrow pointing North actually points about fifteen degrees west of north. Collection of Lieutenant Commander Howard W. Whalen, USNR. Donated by Mrs. Nadine Whalen, 1997. U.S. Naval History and Heritage Command Photograph.