Modern government building, Department of Defense architecture framework, DODAF, futuristic skyscraper, sleek glass façade, silver metal frames, American flag flying high, entrance with revolving doors, polished marble floor, grand staircase, rows of computers, servers, and data centers, military personnel in uniform, busy corridors, meeting rooms with long tables, projection screens, cityscape background, Washington D.C., cloudy afternoon, soft natural light, 3/4 composition, cinematic atmosphere, high contrast, detailed textures.