The eagle which they selected for the Marine emblem is a crested eagle, a type found all over the world. On the other hand, the eagle pictured on the great seal and the currency of the United States is the bald eagle, strictly a North American variety.
Both ghee and clarified butter have the milk proteins casein and whey removed and what remains is butter fat. Casein and whey are proteins in dairy that many people do not tolerate, especially people who cannot tolerate gluten. This is because gluten, whey, and casein have a similar molecular structure.
Clarified butter allows us to sear meats and vegetables in butterfat with no worry about burning, and it can keep in the fridge for months on end without developing any off flavors.