USS Valiant II (NCC-1731) was a Constitution-class heavy cruiser — part of the Endeavour-subclass — in service during the late 23rd century. (Star Fleet Technical Manual) It was intended to replace USS Valiant. In the continuity of Ships of the Star Fleet, NCC-1731 was named La Vengeance. In the continuity of Task Force Games, NCC-1731 was a Gettysburg-class heavy command cruiser, Cannae.