"Alshain" began her last year of active duty, 1955, by picking up elements of the Fleet Marine Force at Morehead City. On 7 January 1955, she left the east coast en route to the Mediterranean. "Alshain" touched at Mers El Kébir, Algeria, on the 20th. She was then involved in amphibious operations in the Gulf of Arzew off Algeria. The ship continued on to visit Genoa and Naples, Italy; Istanbul, Turkey; Athens and Phaleron Bay, Greece; Suda Bay, Crete; Cannes and Marseilles, France; Porto Scudo, Sardinia; and Barcelona, Spain. "Alshain" left Barcelona on 14 May and shaped a course back to the United States. Upon her arrival at Norfolk on the 28th, the ship began a period of leave and upkeep.