Title taken from caption. Silhouette of a person standing at the water's edge, flags in rasied arms, using semaphore to signal a boat at Savoonga, Saint Lawrence Island, Alaska. 1938-1941. Original photograph size: 3 3/8" x 2 3/8".
Title taken from caption. Crewmembers practice semaphore signalling aboard the U.S. Coast Guard Cutter Northland. Photograph taken during the 1937 Smithsonian Institution's Archaeological Expedition to the Aleutian Islands.
48 second, color/silent, film clip of a naval ship in anti-submarine maneuvers. From the film "Report from the Aleutians", directed and narrated by John Huston while he was a captain in the U.S. Army Signal Corps.
Title by cataloger. A railway worker stands on a ladder on the side of a locomotive rotary snowplow; he appears to be signaling to another man at the next rail car.