. "Flak Cannons"@en . . . "Could be loaded with ballista spear ammo as well as flak ammo."@en . . "This type of weaponry is designed to deal damage to air units effectively."@en . "Flak cannons"@en . "This type of weaponry is designed to deal damage to air units effectively."@en . . . . "Could be loaded with ballista spear ammo as well as flak ammo."@en . .