The Department of Arizona was a military department of the United States Army that existed from 1870 to 1893. It was subordinate to the Military Division of the Pacific and comprised posts in Arizona and Southern California. It was the successor to the District of Arizona within the Department of California. From 1870 to 1886, Fort Whipple, Arizona was the department's headquarters. Afterwards it was headquartered at Drum Barracks in Wilmington, California.

Commanders

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Posts

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References

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  • "Records of United States Army Continental Commands, 1821-1920".