B-9 Cleaver is a medium bomber aircraft that is on standby on the border of Kabubet and Erium countries at the beginning of the Enemy invasion in Erium The Allies deployed their Air Force to deploy bombers for the Thunderstorm operation in Erium. Air Captain Margasky gave instructions to his men to bombard enemy bases such as the Naval Base in Erium Cavalry Headquarters, Radio Communication Stations, Radar Stations in the Army, Air Commander Margasky reported the existence of Warship Activity in the Harbor Finally given the Order for Air Operations bombing and Maritime in the area. B-9 Cleaver Kabubet Air Force along with the Republic of Mahbu Air Force immediately took off as many as 12 to 16 aircraft to the controlled area to destroy their equipment such as Radio and Radar stations including the Cavalry headquarters anti-aircraft in addition to convoys including hunting warships in the harbor and Outside the country of Erium