"The Insulindian Civil War was not the first war to see the use of aerostatic aircraft on both sides, but it was the longest. For eight years folded multi-rotor aircrafts criss-crossed the air above Revachol, Ozonne, Face-A-La-Mer, and the Arcade Islands. They made sweeps over sandy beaches and shot each other out of the blue sky, then sank as wrecks to the bottom of the sea. The Ace's High was a custom on the revolutionary side, performed by squadron mates after landing. Lieutenant Kitsuragi likes it... why is that?"