Template:Campaignbox Atlantic U-boat Campaign WWI

v t e Atlantic U-boat Campaign
Heligoland Bight 22 September 1914 HM Armed Smack Inverlyon Baralong Incident 15 October 1917 17 November 1917 Zeebrugge Raid 21 May 1918 18 June 1918 Bombardment of Orleans 5 September 1918