The air defense BOS comprises three functions: process air targets, attack air
targets, and deny airspace (page 2-3, para 2b(3)).
Tanks, small arms, and attack helicopters.
The maneuver BOS includes indirect fire systems such as small arms, tanks, and
attack helicopters, but not the indirect fires that makeup the fire support BOS
(page 2-2, para 2b(1)).