ArmaFriday Information
Guides
A fireteam at ArmaFriday is made up of 4 to 5 men. The roles that are within a fireteam may vary depending on the scope of the mission and the # of signups. But idealy a fireteam is either focussed on a Light Machine Gunner or an Anti-Tank role.
http://www.globalsecurity.org/military/library/policy/army/fm/7-8/fig2-4.gif
http://www.infantrydrills.com/images/fig2-5.gif