Caucasian female marine, rugged appearance, holding firearm, aiming at viewer, captivating yet intense expression, portrait-style, ultra-realistic photography, intricate skin details, 8k resolution, finely detailed, full-body shot, High definition RAW color artwork, softly diffused lighting, precise focus, hyperrealistic quality, cinematic illumination, richly detailed CGI background, 3D elements, avoid low-resolution effects, remove text errors, maintain high quality without distortion, avoid visual defects like duplicates or mutations, ensure accurate anatomy and proportions, smooth and natural limb presentation, no unnecessary additions or deformations, maintain clarity and balance in composition.