John Grimes Walker was an admiral in the United States Navy who served during the Civil War. After the war, he served as Chief of the Bureau of Navigation, head of the Lighthouse Board, and commander-in-chief of the Squadron of Evolution and of the North Atlantic Squadron. In retirement, he led commissions to investigate the construction of a Central American canal connecting the Atlantic and Pacific Oceans.
John Grimes Walker
The North Atlantic Squadron was a section of the United States Navy operating in the North Atlantic. It was renamed as the North Atlantic Fleet in 1902. In 1905 the European and South Atlantic squadrons were abolished and absorbed into the North Atlantic Fleet. On 1 January 1906, the Navy's Atlantic Fleet was established by combining the North Atlantic Fleet with the South Atlantic Squadron.
"Before the War" by Carlton T. Chapman, depicting the North Atlantic Squadron off Hampton Roads, Virginia, in 1898, just prior to the Spanish–American War.