Douglas was laid down at Cammell Laird 's Birkenhead shipyard on 30 June 1917 , launched on 8 June 1918 .
Douglas was commissioned on 30 August 1918 .
Douglas was laid down at Cammell Laird 's Birkenhead shipyard on 30 June 1917 , launched on 8 June 1918 and commissioned on 30 August 1918 .