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.
Within the U.S. Army's organizational tables for the unit called a battalion, made up of approximately 700 soldiers, the positions filled by the officers of the command staff have designations such as S1, S2 and so on, all the way to S6.he battalion S3, the officer in charge of operations and training, has a variety of responsibilities that extend from the lowest-ranking individual in the battalion to the battalion commander and beyond.