The Airfield is where you can build, repair, and/or scrap air units. This is also the building to upgrade in order to increase your Airfield capacity. The in-game text only tells you this if you try to exceed your maximum; it does not appear anywhere else, such as the Airfield Upgrade window.
Wing drones
Wing Drones are lightning fast drones mounted with their Hydra 70 rocket pods.
Best against
vehicle units
Best against
vehicle units
Copter drones
copter drones are helio drones that sink their talons into targets from medium range with their L86 LSW machine guns.
Best against
infantry units
Best against
infantry units
Cobra
Cobras are lightly armored helicopters mounted with twin MG 3 machine guns and the mobility to mow down infantry units.
Best against
infantry units
Best against
infantry units
Thunderbolt
Thunderbolts are light attack planes -- these birds of prey strike hard and fast.
Best against
infantry/vehicle units
Best against
infantry/vehicle units
Raptor
Raptors bring the pain from above with strafing runs on ground units.
Best against
vehicle units
Best against
vehicle units