The Canadian Armed Forces consists of three main branches: Army, Navy, and Air Force. The monarch serves as the commander-in-chief, while the Chief of Defence Staff leads operations. The force comprises approximately 95,000 personnel, including 68,000 active members
Officers include commissioned, non-commissioned, and warrant officers. Modern armed forces have officers between 17-25% of personnel. Spanish army had highest officer proportion in early 20th century. Armies have lower officer proportion but higher total officer numbers
Cohort was standard tactical unit of Roman legion, equivalent to modern battalion. Each cohort consisted of 480 soldiers, divided into 6 centuries of 80 men. Ten cohorts totaled about 5,000 men from late 2nd century BC to mid-3rd century AD
Squad is a small military organization led by a non-commissioned officer. NATO and US Army define it as larger than team but smaller than section. US Army squads typically consist of 8-14 soldiers
Armed Forces consists of six coequal branches: Army, Marine Corps, Navy, Air Force, Space Force, and Coast Guard. President serves as commander-in-chief, with military policy overseen by DoD and DHS. Joint Chiefs of Staff is senior military body, led by chairman
Brigade is a major tactical military formation comprising 3-6 battalions plus supporting elements. Typically consists of 5,000 troops in NATO, up to 10,000 in Switzerland and Austria. Commander is usually a brigadier general or colonel, with self-contained headquarters. May include combat support units like artillery, engineers, and logistics