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
Uniforms of the Royal Navy civilian fashions of the time. Frock Coat Dress was (like Full Dress) placed in abeyance and 'landed' in 1939, and although not formally abolished was not worn until it was finally abolished in 1949. A modified version of this uniform is still worn; usually with peaked cap and without epaulettes, by the Master and Elder Brethren of Trinity House. This was not introduced until comparatively late in World War Two, in contrast to its Army and RAF equivalents. From 1941, Army battledress was approved for use by Royal Navy personnel until 1943, when a Navy Blue version of battledress was