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
United States Air Force officer rank insignia uniforms while on duty, but even when in uniform they often do not wear rank insignia. However, when attending Professional Military Education courses, they do wear rank insignia. The current Air Force officer rank names and insignia were taken from the Army upon the establishment of the Air Force as a separate service in 1947. The insignia have been essentially unchanged since then, except for a brief period during the 1990s, when then-Air Force Chief of Staff General Merrill A. McPeak redesigned the service dress uniform. His redesign replaced the metal rank insignia for officers with silver braid on the