(AP: dp. 13,269; l. 455'9"; b. 55'9"; dr. 26'; s. 13 k.; cpl. 184)
Spanish name retained; a seaport in Peru.
The second Callao (No. 4036), a transport, was built in 1913-1914 by Vulkan Werke, Stettin, Germany, as Sierra Cordoba; chartered by the shipping board from the Peruvian Government and transferred to the Navy 26 April 1919; and commissioned the same day, Lieutenant Commander T. H. McKellum, USNRF, in command.
Assigned to the Cruiser and Transport Force, Callao made two voyages from New York and Norfolk to St. Nazaire and Brest, France, between 27 June and 3 September 1919, to return soldiers and welfare workers to the United States. She was decommissioned at Norfolk 20 September 1919 and returned to the Shipping Board.