Infantry Company, organization 80*
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This kind of company organization is used in Infantry Brigades and many Infantry Battalion based Battlegroups. The infantry company is a mainly defensive unit, which will delay and attrit the attacking enemy or defense and hold terrain. With sufficent support the infantry has also limited use in local counter-attacks, but shouldn't be relied on to carry out succesful attack operations against any enemy unit in good fighting condition.* 
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The Infantry Company usually fights as a part of battalion's concentrated defence, with support from pioneers in form of many barriers and minefields, and Antitank units that have the capability to destroy even heavier enemy tanks up to medium ranges. A company may also fight individually, but then don't count on it to stop any capable enemy force with tank support. To have any chance of success the infantry needs to be deployed so that enemy armour has only limited room to manouvre, preventing them from overrunning the infantry. The unit must also be carefully deployed to create cross-fire killzones, and then dug-in to withstand even heavy artillery bombardment.*
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The main fighting force of the Infantry Companies are three infantry platoons. The platoons have 3 sections of 7 men, along with 3 man Antitank patrol to hunt down enemy tanks in the platoons AOR. The company commander has an AT Section and Sniper Patrol he can use according to his plan. The Infantry Companies also have their own indirect support unit, a light mortar platoon. The company comes with an organic FO platoon. This gives the company ability to call down artillery fires very quicly anywhere in its AOR. After the introduction of 12,7mm NSV AAMG the infantry company has also had few of these weapons to provide even some cover against enemy attack choppers and aircraft.*
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HISTORY:*
With only limited amount of units in FDF with modern equipment, especially vehicles, infantry units (Battlegroups, Battalions, Brigades) make up the biggest part of Army's manpower. The units consist usually of older reservists, with the younger ones serving in the better equipped units. Also the equipment used is not state-of-the-art, consisting of older small arms (even some WW2 vintage weaponry all the way to 1990's!) and most basic AT-weapons and usually from little to no radio equipment. During cold war, when Finnish reserve was at its biggest, the last of these units may have been equipped with "model Cajander", a personal weapon and a cockade - something that was reality in Winter War 1939-1940. For transportation they would use confiscated trucks and tractors from the surrounding society.*
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After the fall of USSR FDF's reserve size has been cut steadily. With the reserve coming down from over half a million to some 350 000 in 1990's the weapon situation improved so, that all troops could be armed with assault rifles, and old WW2 rifles and small arms could be removed from reserves. Also the number of infantry brigades dropped with each cut. In near future these "paper tiger" units, as they are called by admiral Kaskeala during his command of the FDF, may disappear alltogether as reserve size goes down. The areal forces may be reorganized into smaller, yet more mobile and harder hitting and better equipped units. The timeframe to concentrate on developing the areal forces is planned to be around 2012.*