"Senior colonel" is the highest rank of a field-level officer in the rank system of the Chinese People's Liberation Army. Senior colonel is the title of field officer in the army of some countries. Most countries in the world do not have the rank of senior colonel, and some countries do not recognize that senior colonel is higher than colonel. They are often equivalent to their own colonels, whose names are translated as "senior colonel" or "old colonel".

The rank of senior colonel was originally established by the Democratic People's Republic of Korea after the Second World War, and it is the rank of deputy division commander. This rank is also held in the armies of the Socialist Republic of Vietnam and Morocco.

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The grade originated from some western European countries in 15 and 16 centuries, and was traditionally called the western European grade. They are the highest organ of state power, and they give titles to soldiers according to their positions, military literacy and professional level, qualifications and contributions, and the differences between services and weapons or services.

There are two levels: permanent and temporary. Generally speaking, grades refer to permanent grades. Ranks are divided into two categories: officer ranks and officer ranks. According to the military service status of the winners and the professional nature of their units, the ranks are divided into different categories.