Final answer:
Henry Knox, a military officer who owned a bookstore in Boston before becoming the chief artillery officer of the Continental Army and the first Secretary of War of the United States.
Step-by-step explanation:
The military officer in question is Henry Knox. Before becoming the chief artillery officer of the Continental Army, he owned and operated a bookstore in Boston. He was also the first Secretary of War of the United States. In recognition of his contributions, an Army base in north-central Kentucky is named after him.
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