Complex sentence: During the night of 21-22 February 1959 "Cactus" assisted FV "Jo-Ann" and on 24 to 25 January 1966 she escorted the disabled merchant vessel, MS "South African Victory" to Boston.
Split into simpler sentences: During the night of 21-22 February 1959 "Cactus" assisted FV "Jo-Ann". During 24 to 25 January 1966 she escorted the disabled merchant vessel, MS "South African Victory" to Boston.