Isle of Man Steam Packet Company England, Wales, Scotland and Ireland. Ports served included Liverpool, Silloth, Whitehaven, Holyhead, Ardrossan, Blackpool, Belfast and Dublin. Vessels and crews of the company were actively involved in both the First and Second World Wars. One vessel, , was attached to the British Grand Fleet and led the German High Seas Fleet into Scapa Flow in the Orkney Islands at the end of the First World War. Another vessel, "Viking", was converted to become a seaplane carrier, serving as . During the First World War, eleven out of a total fleet of fifteen Steam Packet ships were requisitioned by the Admiralty.
British occupation of the Faroe Islands on 9 April 1940, British forces launched "Operation Valentine" to occupy the Faroe Islands. On 11 April, Winston Churchill — then First Lord of the Admiralty — announced to the House of Commons that the Faroe Islands would be occupied: We are also at this moment occupying the Faroe Islands, which belong to Denmark and which are a strategic point of high importance, and whose people showed every disposition to receive us with warm regard. We shall shield the Faroe Islands from all the severities of war and establish ourselves there conveniently by sea and air until the moment comes