A space marine portrait set under the bright midday sun, with H. R. Giger's biomechanical intricacies intertwined into the armor, depicted as a detailed oil painting reminiscent of Rembrandt's masterful use of light and shadow, capturing the contrast between the hard metallic surfaces and the soft human features, adding subtle hints of surrealism with ethereal, otherworldly textures that blend seamlessly into the background while maintaining the focus on the marine's commanding presence.