Commander Shepard and Krogan fighting Geth in Mass Effect 3 HD Wallpaper

Commander Shepard in his N7 armor is in the foreground, firing a weapon. To his left, a blue-skinned alien with a rifle is crouched. To his right, a large, red-skinned alien in armor stands, also holding a weapon. In the background, a dark, imposing structure looms over a war-torn city.