This Safety Case aims at demonstrating that operation of GA T traffic under the responsibility of ANSP (state A) and ANSP (state B) will be acceptably safe during the periods of activation of the newly created CBA. This Safety Case addresses the safety issues at the interface between GAT outside the CBA and military activity in the CBA from cvillan ANSPs point of view. The present document was developed with the Intent to provide an example for any airspace projects Cases.