How many are in a battalion

REGIMENT. A regiment usually contained ten companies. A regiment had approximately 1,000 men and was commanded by a colonel. If the unit had only four to eight companies, it was called a battalion rather than a regiment.

Battalion. A battalion, usually about 400-strong, is comprised of three rifle companies, a combat support company, and a headquarters company.

A company is a military unit, typically consisting of 80–250 soldiers and usually commanded by a major or a captain. Most companies are formed of three to six or seven platoons, although the exact number may vary by country, unit type, and structure.

Usually commanded by a major general, divisions are made up of three or four brigades and include 10,000 to 15,000 soldiers.

A squadron in air force, army aviation, or naval aviation is a unit comprising a number of military aircraft and their aircrews, usually of the same type, typically with 12 to 24 aircraft, sometimes divided into three or four flights, depending on aircraft type and air force.

platoon, principal subdivision of a military company, battery, or troop. Usually commanded by a lieutenant, it consists of from 25 to 50 men organized into two or more sections, or squads, led by noncommissioned officers. … The platoon was reintroduced into the British Army in 1913.

In the United States Army, a brigade is smaller than a division and roughly equal to or a little larger than a regiment.

NATO and US doctrine define a squad as an organization “larger than a team, but smaller than a section.” while US Army doctrine further defines a squad as a “small military unit typically containing two or more fire teams.” In US usage, a squad consists of eight to fourteen soldiers, and may be further subdivided into …