sentences:  She was commandeered in July 1922 by the government and used against Anti-treaty forces in Munster.However, in the following year the vessel was returned to the Department of Agriculture and Fisheries to carry on her task of fishery protection.It was not until the actual day on which the Second World War was declared that the Marine and Coastwatching Service was established and on 12 December 1939 "Muirchú" was taken over by this Service from the Department of Agriculture and Fisheries.