Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. USS Megrez (AK-126) - USS Megrez (AK-126) was an Crater-class cargo ship commissioned by the U.S. Navy for service in World War II named after Megrez a star in the constellation Ursa Major. She was responsible for delivering troops goods and equipment to locations in the war zone. Megrez built under a Maritime Commission contract by the California Ship Building Corporation was launched as SS General Vallejo (MC hull No. 1642) on the 23 April 1943 and was sponsored by Mrs. J. R. Jago.
The answer to this question is:
Mean Of Transportation