On the Western front the first naval air raid occurred on 25 December 1914 when twelve seaplanes from , and (cross-channel steamers converted into seaplane carriers) attacked the Zeppelin base at Cuxhaven. The raid was not a complete success, owing to sub-optimal weather conditions, including fog and low cloud, but the raid was able to conclusively demonstrate the feasibility of air-to-land strikes from a naval platform. Two German airships were destroyed at the Tøndern base on July 19, 1918 by seven Sopwith Camels launched from the carrier .