The extra energy and titanium will help you build new towers, buildings, and upgrades. 2 -Try and upgrade your generators and mines as much as possible as well as building the maximum amount of them.(the operation unlocks after headquarters level 4 - the different missions are available to start at weekends by clicking the ship in the top left corner of the main base - the missions have a 2 day time limit to start and complete) This will allow you to build up your main base resources fast and upgrade your main base faster as no one can attack your base when the shield is active. This will allow you to protect your main base with a 7 days shield repeatedly if you keep doing the side mission each week and getting 300 crystals and enabling the 7 day shield. You can get 300 crystals per mission and then stop. 1 -When you are able to start operation do it to get crystals.
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