SS Joel Palmer was a Liberty Ship used in World War II by the U.S. to transport troops, supplies, munitions, weapons mostly in Australia, Philippines, Papua New Guinea, and Indonesia. The ship was named after Oregon Pioneer Joel Palmer (1810–1881). Joel Palmer was operated under a charter with the Maritime Commission and War Shipping Administration by the American Mail Line.

She was built in 1943 at the Oregon Shipbuilding Corporation in the St. Johns neighborhood of Portland, Oregon. She made at least 12 port calls from August 1943 to May 1945.

Port Departure Convoy Destination Duration (days) Sydney August 26, 1943 GP.65/1 Brisbane 4 Caloundra August 30, 1943 QL.9 Townsville 3 Townsville September 7, 1943 TN.153 Port Moresby 5 Milne Bay September 24, 1943 FT.28 Cairns 3 Caloundra October 9, 1943 QL.19 Townsville 4 Townsville October 14, 1943 TN.168 Port Moresby 5 Port Moresby October 26, 1943 NT.63 Cairns 2 Townsville November 7, 1943 TN.176 Milne Bay 5 Townsville November 29, 1943 TN.184 Milne Bay 5 Milne Bay December 24, 1943 BG.3 Oro Bay 2 Finschhafen January 14, 1944 GB.2 Milne Bay 3 Leyte May 14, 1945 IG.22 Hollandia 7

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