|The EU BG may be called upon to intervene in a wide variety of military operations. In most cases, the ability to co-ordinate the activities of the Land and Air Components and the use of effective CAS, will be crucial for the success of its mission. CAS is provided by aircrafts and armed helicopters and it can be used by the EU BG in both offensive and defensive operations. The EU BG in order to be able to provide effective CAS to its troops, it needs to have the necessary C2 structure. Training should include CAS requests (preplanned and immediate), airspace management and FACs terminal guidance.