 In March 1959 she had her Mirrlees engines replaced with Napier Deltic engines at Portsmouth, prior to being commissioned into the Royal Naval Reserve as HMS "Curzon" on 16 November 1960.She replaced HMS "Bickington" and docked at Maxwell's Wharf, Shoreham, home of Sussex Division RNR.She was refitted in January–May 1965 and again in January–May 1967, both at Chatham Dockyard.