USS Radnor (ID-3023) was a cargo ship and later troop transport that served with the United States Navy in 1918–19, during and shortly after World War I.

After America's entry into World War II, Jacob Luckenbach made some long independent voyages to Australia, the Middle East and Far Eastern destinations, before joining the Atlantic convoy system in July 1943.

For the next year, the ship made four round trips in convoy across the Atlantic, carrying vital supplies from the United States to Great Britain.

War Indian, renamed SS Radnor by the USSB, was launched 23 March 1918,[2][3] sponsored by Mrs John J. Sparks, with "many army and navy officers" in attendance, while a crowd of thousands was reportedly denied access to the shipyard for security reasons.

[9] Radnor's service began 31 May 1918 when the ship departed Philadelphia "with a full army cargo" bound for Cristóbal, Canal Zone, before proceeding via Callao, Peru, to Antofagasta, Chile, arriving 28 June.

[7] Radnor made four round trips to France, repatriating a total of 5,876 troops including fifteen sick or wounded, the last of these voyages ending 23 September.

[12] With this final naval assignment complete, Radnor was detached from the Cruiser and Transport Force on 24 or 25 September,[12] and returned to control of the United States Shipping Board 24 October.

[21] In October 1922, Radnor transported the "unusually heavy" cargo of 10,500 tons of coal from Immingham, England, to Camden, Delaware, reportedly resulting in the ship's deck being "two feet under water for two days in stormy weather" during the voyage.

[23] Just prior to this trip, Radnor had employed an American youth in the East Indies who became deranged and attempted to attack the ship's captain, L. C. Howard.

[27] In June, the vessel arrived at New York via Philadelphia while under charter to American Pioneer Lines, with a scheduled return to the Far East via San Pedro.

[33] Homeported at New Orleans,[33] Jacob Luckenbach was to remain in this service for about a decade, operating between various ports on the East and West coasts of the United States, via the Panama Canal, until the nation's entry into World War II in December 1941.

[35] The most serious accident to Jacob Luckenbach occurred on 1 March 1940, when the ship ran aground at the entrance of the southwest pass of the Mississippi River while en route to Los Angeles.

From here, the ship visited Havana, Cuba, before returning to New York via Key West, Florida and Hampton Roads, Virginia, arriving 1 July.

[37] Jacob Luckenbach departed New York on her second major voyage of the war on 27 September 1942, first visiting Guantanamo, Cuba before proceeding to Cape Town, South Africa via the Panama Canal, arriving 12 November.

From Bandar Abbas, the ship visited several ports in India and Sri Lanka including Mumbai, Colombo, Visakhapatnam and Kolkata before steaming to Fremantle, Australia, arriving 10 April.

Departing Fremantle on the 13th, Jacob Luckenbach made for the United States via the Panama Canal, returning to New York via Key West on 9 June.

From there, the ship moved North to Halifax, Nova Scotia via Boston, Massachusetts, where, with a cargo of general supplies and explosives, she departed 30 January 1944 with convoy HX277 to Newport, Wales, arriving 26 February.

[37] In a reprise of her role after World War I, the ship then made a minor contribution to Operation Magic Carpet, repatriating 31 soldiers from Antwerp, Belgium, to New York, where she arrived 4 January 1946.