Union Navy the set of Army ranks. The most visible change was that henceforth some individuals would be designated commodore, rear admiral, vice admiral, and finally admiral, all new formal ranks, and equivalent to, respectively, brigadier general, major general, lieutenant general, and general. A doctrinal shift took place at the same time. Prior to the war, the United States Navy emphasized single-ship operations, but the nature of the conflict soon made use of whole fleets necessary. Already at the Battle of Port Royal (7 November 1861), 77 vessels, including 19 warships, were employed. This was the largest naval expedition that had ever
History of the Royal Australian Navy the class in service and based at in Western Australia. The is the current main fleet unit of the Royal Australian Navy; the class has eight vessels. The lead vessel of the class, , was commissioned in 1996 and the final vessel, , was commissioned on 26 August 2006. Along with the eight Australian vessels, two "Anzac"s were also constructed for the Royal New Zealand Navy. The "Anzac" class were jointly constructed in New Zealand and Australia with the final fitout in Williamstown, Victoria. The amphibious and supply arm of the RAN is made up of; one landing platform, one