, the Coast Guard had over 42,000 men and women on active duty, 8,100 reservists, 32,000 auxiliarists, and over 7,100 full-time civilian employees. The Coast Guard maintains an extensive fleet of 243 coastal and ocean-going patrol ships, tenders, tugs and icebreakers called "Cutters", and 1650 smaller boats, as well as an extensive aviation division consisting of 201 helicopters and fixed-wing aircraft. While the U.S. Coast Guard is the smallest of the U.S. military service branches; in terms of size, the U.S. Coast Guard is the world's largest Coast Guard.