battlefield along with other companies on a landscale not greater than 500 x 500 metres. There is a logistical support element in the structure of a company which is based on a reserve platoon. The formation transport is usually made up by twenty tactical transport vehicles such as Mercedes-Benz Unimog 435. Battalion A battalion () is an average military unit led by a senior officer that is subordinate to an infantry brigade. A battalion is bigger than a company () but smaller than a brigade (). It is one of the most basic military formation among the Estonian Ground Force infantry units. It usually consists of 900 to 1250 soldiers, and is further subdivided into companies. A battalion is composed of five companies of 180 to 250 soldiers each, as well as a company leader () who is usually a lieutenant colonel (). His second in command is a colonel as an assistant of the battalion (). One battalion is meant to operate on a battlefield along with other battalion on a landscale not greater than 1500 x 3000 metres. There is a logistical support element in the structure of a battalion which is based on a reserve company. The formation transport is usually made up by 200 tactical transport vehicles such as Mercedes-Benz UNIMOG 435. Brigade A brigade () is commanded by a senior officer that is subordinate to an infantry division. A brigade is bigger than a battalion () but smaller than a division (). It is currently the largest military structure that the Estonian infantry can field. An Estonian brigade consists of 5,000 to 8,750 soldiers, and is subdivided into battalions. A brigade is made up of seven battalions of 900 to 1,250 soldiers each, commanded by a Brigade Commander () who is usually a colonel (). His second in command is a Lieutenant Colonel. In the future, a brigade will operate on the battlefield alongside other brigades on a sector not greater than 10 x 15 kilometres. There is a logistical support element in the structure of a brigade based on a reserve battalion. The transportation component of an Estonian brigade consists of approximately 1,500 tactical transport vehicles such as the Mercedes-Benz UNIMOG 435. County brigade A county brigade or is a military unit led by a senior officer that is subordinate to an infantry division. The term malev is historical. It was originally based on