Topic - Combat Aviation Brigade

A Combat Aviation Brigade (CAB) is a multi-functional brigade-sized unit in the United States Army that fields military helicopters, offering a combination of attack helicopters (AH-64 Apache), reconnaissance helicopters (OH-58 Kiowa), medium-lift helicopters (UH-60 Black Hawk), heavy-lift helicopters (CH-47 Chinook), and MEDEVAC capability. - Source: Wikipedia