Use "rockrose" in a sentence

1. In 1947, the SANF acquired three additional ships: the Algerine-class minesweepers HMSAS Rosamund (later renamed HMSAS Bloemfontein), HMSAS Pelorus (later renamed HMSAS Pietermaritzburg), and the Flower-class corvette HMSAS Rockrose (later converted into a hydrographic survey ship and renamed HMSAS Protea).