 In February 1943 it moved to Thurstaston and deployed its detachments to 24 AA and anti-minelaying sites on the Mersey and round Barrow-in-Furness and Walney Island.At this point 474 Bty ceased to be part of 76th S/L Rgt and became an independent unit, though coming under the operational command of HQ 39th (Lancashire Fusiliers) S/L Rgt, which had no other batteries under its command.In April the battery handed over its sites to 356th (Ind) S/L Bty and moved to Kinross in Scotland to train in mobile operations.