A brigadier general is a military rank used in many countries, including the United States. It is usually above the rank of colonel and below the rank of major general or divisional general. In the United States Armed Forces, a brigadier general is a one-star general officer in the Army, Marine Corps, Air Force, and Space Force). The responsibilities of a brigadier general include serving as the advisor and deputy commander to a major general commanding a division-sized unit of 10,000 to 15,000 soldiers, and assisting in overseeing the tactical planning and coordination of division operations.

The insignia for a brigadier general is one silver star worn on the shoulder or collar, and has not changed since the creation of the rank two centuries ago). The pay grade of brigadier general is O-7, and it is equivalent to the rank of rear admiral (lower half) in the other United States uniformed services which use naval ranks). The starting pay for an entry-level brigadier general with 2 or less years of experience is $9,668.40 per month, with raises for experience resulting in a maximum base pay of $15,110.10 per month.

In summary, a brigadier general is a one-star general officer rank in the military, usually above the rank of colonel and below the rank of major general or divisional general. In the United States Armed Forces, a brigadier general serves as the advisor and deputy commander to a major general commanding a division-sized unit of 10,000 to 15,000 soldiers, and assists in overseeing the tactical planning and coordination of division operations.