In Britain, a major general is a senior officer in the army, one rank above a brigadier. In the United States, a major general is a senior officer in the army, air force, or marines, one rank above brigadier general. an officer of high rank in the British or US army or the US airforce
An officer of the army holding a rank next above that of brigadier general and next below that of lieutenant general, and who usually commands a division or a corps