The thickness of the ozone layerâthat is, the total amount of ozone in a column overheadâvaries by a large factor worldwide, being in general smaller near the equator and larger towards the poles. It also varies with season, being in general thicker during the spring and thinner during the autumn.
Report Abuse. How ever many you have-is your fleet of ships. The US Merchant Marines currently have 465 ships in their fleet. The US Navy has a fleet of 286 ships. A fleet is the total number of ships. It can be the total number of a nation, or can be a fleet of ships operating under the same ownership.
Facts. The worldâs largest fleet command, the U.S. Pacific Fleet encompasses 100 million square miles, nearly half the Earthâs surface, from Antarctica to the Arctic circle and from the West Coast of the United States into the Indian Ocean.he U.S. Pacific Fleet consists of approximately 200 ships/submarines, nearly 1,100 aircraft, and more than 140,000 Sailors and civilians. Adm. Scott H. Swift is the current commander, U.S. Pacific Fleet.