 He subsequently served as Senior Engineer of the North Atlantic Squadron, superintended the construction of the iron-clad ram USS "Dictator" in 1862-3, served on the steam ship "Ericsson" in 1864, and USS "Dictator" in 1864 and 1865.That year, he also served on the Engineer Board of Examiners.In 1866, Robie sailed to the Pacific aboard USS "Ossipee", via the Strait of Magellan.