The AOB is a great weapon in the AA's arsenal for planetary conquest. Here you can see the six great hydrogen ramjet thust vectors. For such a large aircraft (the AOB cannot operate in space- the name is a misnomer) the AOB can outmaneuver most types of native flying creatures. Also, the thrust/weight ratio increases as the AOB dispenses ordnance, bringing it up to 3.1:1 by the time the AOB runs out of weapons.
Here you can see the giant intakes for air/fuel. The AOB uses a hydrogen splitting engine, taking air (or whatever the atmosphere) and splitting it into components for fuel. This was the only way AA engineers could get around the requirement for an aircraft that could stay aloft indefinitely without permanent harm to an atmosphere from nuclear fuel. AOBs are dropped into planetary atmospheres from AA carriers in orbit, giving them the "orbital" designation.
The engines are thrust vectored in every direction, including straight down. In fact, if an AOB needs to stay in one place, engines on either side can be pointed up/down and the nose pointed up, allowing the AOB to spiral in place indefinitely.
The weapons pack can be seen here, containing up to twenty tons of bombs and missiles, for use against any conceivable target. AOB squadrons totalled up have a kill ratio against enemy aircraft of 173:1, making it one of the two unit types in the AA to achieve a triple digit kill ratio.