MILITARY TERMS TACTICS: The art of executing plans and the handling of troops in battle. STRATEGY: The art of projecting and directing campaigns. Strategy, the, is usually regarded as the prelude to the battlefield, while tactics is the action on the battlefield. In the nineteenth century, and even more in the twentieth as warfare became more complex, distinctions began to blur between strategy as a purely military phenomenon and national strategy of a broader variety involving a combination of political, economic, technological, and psychological factors, along with the military elements in the management of national policy. As an extension, the term Grand Strategy has come to connote the art of employing all the resources of a nation or coalition of nations to achieve the objects of war. MILITARY UNITS, U.S. ARMY UNIT COMPOSITION Squad 8 to 12 men Platoon 3 or more squads Company 3 or more platoons In artillery: battery In cavalry: troop Battalion 3 or more companies Regiment 3 or more battalions Brigade 3 or more regiments Division 3 or more brigades Corps 3 or more divisions Army 3 or more corps Army Field Group 3 or more armies IN CHARGE Sergeant Lieutenant Captain Lieutenant Colonel Colonel Brigadier General Major General Lieutenant General General General or Field Marshal