Hidden Assault

In-game description
These fleets of dangerous planes often harass the airways of Skytopia, causing many pilots to remain grounded. Some hear talk that the Fleet is attempting to corral Skytopians into manageable pieces.

Combat info

 * 2 Proximity Mine
 * 2 Unknown Triangle
 * Unknown Square
 * Unknown Blimp
 * 2 Lighthouse Mine
 * Unknown Ring