Air commodore is never shortened to Commodore, which is a rank in various naval forces. Air commodore is a one-star rank and the most junior air officer rank, being immediately senior to group captain and immediately subordinate to air vice-marshal. It has a NATO ranking code of OF-6 and is equivalent to a commodore in the Royal Navy or a brigadier in the British Army or the Royal Marines. Unlike these two ranks, however, it has always been a substantive rank. Additionally, air commodores have always been considered to be air officers whilst Royal Navy commodores have not since the Napoleonic Wars
Uniforms of the Royal Canadian Navy Combat Dress. Uniforms of the Royal Canadian Navy The Canadian Forces (CF) introduced the Distinctive Environmental Uniform (DEU) on 1 July 1985. Members of the naval, air, and land forces received uniforms distinctive to their service or "environment". While the term "DEU" refers to the different environmental uniforms, in general usage it refers to what is more properly known as "No 3 (Service) Dress". Sea element personnel were issued a "navy blue" (actually a tone of black according to Canadian Forces Dress Instructions) double-breasted, six-button jacket and trousers, and white peaked cap. For the summer periods, an optional white uniform