Starting in the late 1970s and. continuing for decades, an increasing amount of the. protective layer of stratospheric ozone above Antarctica. would disappear during late September and October, cre-. ating what is popularly known as the ozone hole.
A battalion is a military unit. The use of the term battalion varies by nationality and branch of service. Typically a battalion consists of 300 to 800 soldiers and is divided into a number of companies. A battalion is typically commanded by a lieutenant colonel. In some countries the word battalion is associated with the infantry. The term was first used in Italian as battaglione no later than the 16th century.
I Battery, 2nd Battalion 11th Marines in Iraq, 2003. In modern battery organization, the military unit typically has six to eight howitzers or six to nine rocket launchers and 100 to 200 personnel and is the equivalent of a company in terms of organisation level.uring the 18th century battery began to be used as an organizational term for a permanent unit of artillery in peace and war, although horse artillery sometimes used troop and fixed position artillery company.