National Guard have two branches. Army National Guard and Air National Guard.
They are part of the US military forces. Main difference is National Guard is "Normally" under States control while the rest of the branches, Marines, Army, Navy, Air force, Coast Guard is under US President's control. However, US President can override state control if the country is under national emergency. Case in point President Bush (Jr.) mobilized partial National Guard right after 9/11.
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National Guard 有兩個分支。陸軍National Guard 和空軍National Guard 。
他們是部分美軍部隊。主要區別是National Guard 是洲控制之下，而其餘的部隊，海軍陸戰隊，陸軍，海軍，空軍，海岸警衛隊是美國總統的控制之下。然而，國家如有緊急情況,美國總統如果可出動National Guard. 例如: 美國總統小布殊在9 /11知後動用員部National Guard。
