USS Alacrity (PG-87) was an Action-class patrol boat acquired by the United States Navy for the task of patrolling American coastal waters during World War II.The gunboat was constructed in Collingwood Ontario Canada by the Collingwood Shipyard Ltd. as the British Flower-class corvette HMS Cornel (K-278). It was transferred to the U. S. Navy on 6 January 1942; launched on 4 September 1942; and commissioned at Collingwood on 10 December 1942 Lieutenant H. M. Godsey USNR in command. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
Mean Of Transportation