T53 D633 Duperré served as a sonar trials ship in the 1960s. She reentered service 1974 after ASW refit where Lynx hangar and flight deck replaced Malafon and the second 100 mm mounting. Four single MM38 Exocet lanunchers where installed between the funnels. Catapults for L5 ASW topedoes where fitted below the hangar and the SENIT 2 action information system for command ship duties.
Sources: Modern Destoyers (1986)