A simple guide on how to switch an unlock and equip airmechs.
Step #1: Unlocking an AirMech
To unlock an airmech you must do a solo mission and opperate the airmech which you are unlocking to complete it. These missions will be marked as a red "A" on your map. (green when completed)
Step #2: Enter the Base Camp
Enter the Base camp.
Step #3: Upgrading the Hangar
Once inside the base camp make a hangar and upgrade it once for one addition loadout slot. My hangar is level 6 so i have 6 loadout slots.
Step #4: Equipping an AirMech
Once you've made your hangar and leveled it up you can select a airmech for your new loadout. (click the hangar to pull up this menu)