Mass Marines

	This strategy involves producing a large amount of un-upgraded Marines. Build a Supply Depot at about 8 to 9/10 supply. Continue making more SCVs, and build a Barracks. Build another Depot, and a second Barracks. Continue making more SCVs, Supply Depots, and build another two Barracks to bring the total to four. Start building Marines, but be sure to evenly distribute the Marines across all four Barracks. For example, build 1 in the first one, 1 in the second, and so on. The idea is to have all four Barracks building constantly. To make this easier, assign the Barracks to control groups 1-4. Make sure you Rally all four Barracks to the same location, usually near your SCVs mining Minerals to protect them. Once you've assembled a large group of Marines, you can charge the enemy. This should work very well vs Zergling rushers, Hydralisks, and Zealots. Build a Refinery, Academy, and Engineering Bay to research Stim Pack, U-238 Shells for added range, and upgrade your Marines to add to their advantage. Stim Packs are the most essential upgrade, as it doubles the effectiveness of your Marines.