The second level of Halo Wars takes place on the reestablished Alpha Base that you opened in the Last Level. You now have the opportunity to build the Base from scratch. When the level begins, you are prompted to build the Command Center for the base. Simply highlight the lighted area and select station from the building menu. Once you build the station, Serina will tell you to build a Supply Pad which will produce resources to allow you to be able to produce more useful upgrades. Choose an empty building plot and select supply pad. Once again, you will be asked to build another building, a barracks. The barracks will allow you to train infantry units. After you build a barracks, you will be asked to train five marine squads. Simply select the barracks and highlight marine, and select it f