During this time Delphinium made duty calls to a number of African countries and in 1929, hosted the Christy Commission of the League of Nations, during its work in Liberia.

[5][6] On 1 April 1917, Delphinium escorted the RFA Boxleaf,[7] an Emergency Wartime Construction (LEAF) oiler tanker in the Irish Sea.

[9] On 31 August 1917, Delphinium entered Lough Swilly harbour, Buncrana, towing US tanker SS Albert Watts.

[10] On 2 October 1917, German submarine SM U-79 torpedoed the armoured cruiser HMS Drake, causing it to lose the use of its steam steering gear.

Drake subsequently collided with cargo ship Mendip Range,[11] eventually sinking in Church Bay near Rathlin Island.

In 1932, Delphinium visited Knysna, South Africa and a crew detail was sent ashore to polish the brass and clip the grass on the grave of “Bondi”, the ship's dog mascot of HMS Verbena (1915).