General (United States)
Shoulder four-star rank insignia of general for the above services.
|Abbreviation||GEN (Army) or Gen (Air Force and Marine Corps)|
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Formally, the term “General” is always used when referring to a four-star general. However, a number of different terms may be used to refer to them informally, since lower-ranking generals may also be referred to as simply “General”. These may include “Full General”, “Four-star General” (or simply four-star), or “O-10” (in reference to pay grade).