Command & Conquer: Generals

From the game's official website:

Command & Conquer Generals puts your trigger finger on the pulse of modern warfare. Become a powerful General to control massive armies of bleeding-edge military weaponry across a globe teetering on the brink of Armageddon. Command one of three unique sides, each with customizable high-tech arsenals ready to deliver unprecedented firepower on land or in the skies. Annihilate the opposition in the 23-mission singleplayer campaign or dish out the damage in global multiplayer mayhem. Prepare your forces, General… it’s time to engage in the next generation of real-time strategy—Command & Conquer Generals.