Field officer rank category (OF-3 to OF-5) of the Russian Imperial Army and Navy until 1917. The British Army (in which these officers are called officers of field rank), and some others in the Commonwealth (including the Australian Army and New Zealand Army), also include the brigadier in this category: the equivalent in other armies is a general officer (the brigadier general). Today, a field officer in the United States (here called field grade) Army, Marine Corps, and Air Force is typically a major, lieutenant colonel, or a colonel: Field officer A field officer, field-grade officer, or senior officer is an army,
Air force officer ranks considered that in these countries a colonel-general equates to an OF-9 rank, a general to OF-8, a lieutenant-general to OF-7, and a major-general to OF-6 (i.e. the ranks below colonel-general all move down one grade). ¹ No officer of the French Air Force has ever been created a "Maréchal".<br> ² Introduced on 1 July 2000, when promotions to the rank of Överste 1. graden (a field officer rank) ceased.<br> ³ Promotion to the rank of Överste 1. graden ceased on 1 July 2000, when the new junior general officer rank of Brigadgeneral was introduced. Whilst there is a wide range