Complex sentence: In September 1948 "Widemouth Bay" returned to the UK, and was assigned to the Fishery Protection Patrol, operating in the waters around the UK until July 1949, when she was decommissioned and laid up in Reserve at Sheerness.
Split into simpler sentences: In September 1948 "Widemouth Bay" returned to the UK, and was assigned to the Fishery Protection Patrol, operating in the waters around the UK. In July 1949, when she was decommissioned and laid up in Reserve at Sheerness.