Please answer the following question: USS Cheleb (AK-138) - The USS Cheleb (AK-138) was a Crater-class cargo ship in the service of the United States Navy in World War II. It was the only ship of the Navy to have borne this name. It is named after Cheleb a star in the northern hemisphere constellation of Ophiuchus.Cheleb was laid down 29 December 1943 as liberty ship SS Lyman J. Gage (MCE hull 520) by Permanente Metals Corporation Richmond California under a Maritime Commission contract; launched 29 January 1943; sponsored by Mrs. E. E. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
A:
Mean Of Transportation