The 11th Air Defense Artillery Brigade is a unit in the United States Army that falls under the U.S. Army Air Defense Artillery School. It is tasked with providing air and missile defense capabilities to protect ground forces, critical assets, and populations from aerial threats.

The primary mission of the 11th Air Defense Artillery Brigade is to operate and employ air defense systems, including Patriot missile systems, to detect, track, and engage airborne threats such as enemy aircraft and missiles. The brigade's operations are designed to protect and defend friendly forces and vital assets from potential aerial attacks in a given operational area.

The 11th Air Defense Artillery Brigade is a crucial component of the U.S. Army's air and missile defense network and plays a significant role in enhancing the overall defense posture of the United States and its allies. The brigade's soldiers are highly trained in operating sophisticated air defense systems and are prepared to respond to threats swiftly and effectively.