The United States was previously shipped in medium and small crates in the Opposing Force and Red Alert series. This was changed for Generals due to the United States' memory capacity being almost 10 times that of the Soviet Union, which would lead to excessive storage capacity being used for the game in cases of high majorities. Additionally, the United States could not be designed in terms of the space they remained in the game. As a result of this, the Red Alert engine was used for Generals after the United States faction was created. The United States were far more powerful for the most part than their predecessors from Red Alert and Opposing Force.
Primary Enemy: United States Forces. They are one of five playable factions in the game. The government of the United States of America is referred to as "The UNIT" in-game (sometimes abbreviated to UNIT in the text and interface; only MAIN unit name "United States" appears in-game).
They kept this map by themselves and put it into only one of the three expansion packs available at the launch of Generals Zero Hour. So for many Generals 1.8 players, they were completely lost if they decided to play the first Generals. d2c66b5586