sentry gun, Team Fortress 2, mechanical structure, metallic texture, red team, blue team, blinking lights, warning signs, ammo belt, rotating barrel, aggressive stance, desert landscape, control panel, wires, rugged terrain, dust clouds, harsh sunlight, wide-angle shot, action scene, video game style, detailed machinery, dynamic shadows, intense battle backdrop, overheating effects, bullet casings, 3D model, realistic rendering, turret defense position, strategic placement, in-game environment.