Keywords: Deepfreeze I 325.jpg The U S Coast Guard icebreaker USCGC Eastwind WAGB-279 was one of three icebreakers used by Operation Deep Freeze in the Ross Sea area in 1955-1956 Stratocumulus clouds showing effects of open water and modified continental Antarctic air mass This formation is usually accompanied by light north to neartheasterly surface winds Report of Operation DEEPFREEZE I 1955-56 U S Navy Task Force 43 Washington D C 843 pp 1956 United States Navy Original work of the US Federal Government - public domain PD-USGov Operation Deep Freeze I USCGC Eastwind WAGB-279 |