《明史·志·卷六十五》
景泰年间，增设协同守备官。
景泰间，增协同守备官。
During the Jingtai reign, the post of Chief Military Commander was created.
<s>[INST] Convert the following English text into Classical Chinese: During the Jingtai reign, the post of Chief Military Commander was created. [/INST] 景泰间，增协同守备官。</s>
Convert the following English text into Classical Chinese: During the Jingtai reign, the post of Chief Military Commander was created.
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景泰间，增协同守备官。
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