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,
John Barrington (British Army officer) John Barrington (British Army officer) Major-General John Barrington (died 2 April 1764) was an officer of the British Army, the third son of John Barrington, 1st Viscount Barrington. He served in the 3rd Foot Guards, and in 1746 he obtained the commission of captain-lieutenant in the 2nd Foot Guards, in which corps he was promoted to the rank of captain and lieutenant-colonel in 1748. In 1756 he was promoted to the rank of colonel, and appointed aide-de-camp to King George II. In 1758 the King gave him the colonelcy of the 64th Regiment of Foot, then formed from the second