Department of the Pacific had six subordinate military districts during the Civil War: On July 27, 1865 the Military Division of the Pacific was created under Major General Henry W. Halleck, replacing the Department of the Pacific, consisting of the Department of the Columbia that now consisted of the state of Oregon and the territories of Washington and Idaho and the expanded Department of California that now consisted of the states of California and Nevada and the Territory of New Mexico and Territory of Arizona. On 30 May 1898, Gen. Wesley Merritt established in San Francisco the Headquarters, US Expeditionary Forces and Department of
Seaboard and Roanoke Railroad additional Confederate troops at Norfolk. Without a single shot fired, he successfully tricked the small detachment of troops holding the Gosport Shipyard (now Norfolk Navy Yard) into abandoning it for the safety of Union-held Fort Monroe across the harbor. In the 1880s, the Seaboard and Roanoke became part of the Seaboard Air Line Railway system, which was extended through Petersburg to reach Richmond to the north and covered the southeastern states to reach Florida. In 1967, the Seaboard Air Line Railroad merged with its arch-rival, the Atlantic Coast Line railroad to form Seaboard Coast Line Industries (SCL). SCL merged with