USS Walter D . Munson ( ID - 1510 ) USS " Walter D . Munson " ( ID - 1510 ) was a United States Navy cargo ship in commission from 1918 to 1919 . Construction , acquisition , and commissioning . SS " Walter D . Munson " was built in 1917 at Sparrows Point , Maryland , by the Bethlehem Steel Company as a commercial cargo ship for the Munson Steamship Lines . The United States Shipping Board acquired her from Munson for World War I service early in 1918 and transferred her to the U . S . Navy on 15 April 1918 . The Navy assigned her the naval registry Identification Number ( Id . No . ) 1510 and commissioned her on 19 April 1918 as USS " Walter D . Munson " at New York City with Lieutenant Commander William J . Connors , USNRF , in command . United States Navy service , 1918 - 1919 . World War I service . Assigned to the Naval Overseas Transportation Service , " Walter D . Munson " loaded United States Army supplies at New York City and put to sea on 25 April 1918 with a convoy bound for France . She concluded her first Atlantic crossing in Navy service at Brest , France , on 10 May 1918 and moved on to Gironde on 13 May 1918 , in which port she unloaded her cargo and took on ballast for the return voyage . On 27 May 1918 , " Walter D . Munson " departed Gironde with a New York City - bound convoy . She entered New York on 7 June 1918 . After completing voyage repairs and loading another U . S . Army cargo , " Walter D . Munson " departed in an eastbound convoy for Europe on 18 June 1918 and arrived at Brest on 4 July 1918 . This time , she unloaded a portion of her cargo at Brest before moving on to Gironde on 6 July 1918 . She completed her unloading at Gironde , took on ballast , and stood out to sea on 24 July 1918 . Her westbound convoy arrived at New York on 6 August 1918 . " Walter D . Munson " again made voyage repairs , loaded a cargo of U . S . Army supplies , and departed New York on 15 August 1918 , arriving at Brest on 30 August 1918 . On 31 August 1918 , she was routed on to Le Havre , France , where she discharged her cargo . Before setting out back across the Atlantic , she visited Plymouth , England , where she topped off her bunker s with coal . Her return convoy rendezvoused on 10 September 1918 , crossed the Atlantic , and stood into New York on 23 September 1918 . During a week at New York , " Walter D . Munson " completed another series of voyage repairs and loaded her fourth Europe - bound cargo . On 30 September 1918 , she departed New York in convoy for France . She arrived at Le Havre on 16 October 1918 , discharged her cargo there , and then headed back to the United States on 24 October 1918 , arriving at New York on 6 November 1918 . Postwar service . Though hostilities ceased on 11 November 1918 , " Walter D . Munson " completed her turnaround and , on 15 November 1918 , started back across the Atlantic . She reached France at Quiberon Bay on 27 November 1918 , discharged a portion of her cargo there , and then moved on to Nantes , where she unloaded the remainder . She stood out of Nantes on 6 December 1918 and headed for Brest , where she loaded a cargo of steel rails for return to the United States . She left Brest on 11 December 1918 and arrived in New York on 24 December 1918 . After unloading the steel rails , " Walter D . Munson " took on a cargo of commissary supplies and gasoline . On 8 January 1919 , she set out upon her last round - trip voyage to Europe in commissioned U . S . Navy service . She entered Quiberon Bay on 24 January 1919 and , on 29 January 1919 , continued on to Nantes where she discharged her cargo . She returned to sea 15 February 1919 and set a course for the Delaware Capes . " Walter D . Munson " arrived at Philadelphia , Pennsylvania , on 7 March 1919 and there received word of her imminent demobilization . She was decommissioned on 14 April 1919 and simultaneously transferred to the United States Shipping Board for further simultaneous return to the Munson Steamship Lines . Later career . Returning to commercial service once again as SS " Walter D . Munson " , the ship served with the Munson Steamship Lines until 1940 , when she was sold to the Greek firm Rethymnis and Kulukundis ( Hellas ) S . A . of Piraeus , Greece . Renamed SS " Mount Kyllene " , the ship remained in merchant service , operating out of Piraeus , until she was scrapped in 1959 or 1960