 Complete the following phrase:  Duquesne was a frigate of the French Navy. The French Navy does not use the term destroyer for its ships; hence some large ships, referred to as frigates, are registered as destroyers. She was designed to protect a fleet against air threats, surface ships, submarines, and, to a lesser extent, provide firepower against land objectives. She is the sister-ship of . She is the eighth French vessel named after the 17th century admiral Abraham Duquesne. Her weapon systems bear names of battles to which Duquesne took part: Messine turret n1, 