Portsmouth Hampshire First Australian Submarine A.E. 1 At Sea World War 1 Real Photo Postcard

HMAS AE1, commissioned in 1914, holds the distinction of being the first submarine of the Royal Australian Navy (RAN). She was one of two E-class submarines ordered by Australia from Vickers Armstrong in Barrow-in-Furness, England, and arrived in Sydney in May 1914, representing a significant step in Australia's independent naval defense capabilities following the establishment of the RAN in 1911.