Given the question: USS Callaghan (DDG-994) - USS Callaghan (DD/DDG-994) was the second ship of the Kidd class of destroyers operated by the U.S. Navy. Derived from the Spruance class these vessels were designed for air defense in hot weather. She was named for Rear Admiral Daniel J. 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?
The answer is:
Mean Of Transportation