Ranks of the Imperial Japanese Army a colonel in the army: "Taisa" (colonel), so the rank of "Rikugun Taisa" denoted an army colonel, while the rank of "Kaigun daisa" denoted a naval captain. Ranks of the Imperial Japanese Army The following tables present the rank insignia of the Imperial Japanese Army before and during World War II. These designs were worn on shoulders as passants (shoulder straps) between the years 1911 and 1938, then on collars afterwards until 1945, when the army was dissolved. The same officer ranks were used for both the Imperial Japanese Army and Imperial Japanese Navy, the only distinction being the placement
Royal Navy officer rank insignia edging and gold devices. Instead of the baton and sword or foul anchor, civil branch epaulettes substituted a star. Navigating branch epaulettes were the same as the military branch, but with crossed plain anchors in place of the foul anchor. The epaulette stars had eight points, quite unlike the Order of the Bath stars worn by army officers. In 1891 the admiral of the fleet changed to a crown above two crossed batons within a wreath, similar to the badge of a field marshal. Also in 1891 shoulder-straps were introduced for use on white uniforms and on the greatcoat, and