In the privacy of his quarters, the marine's hands find their way to his crotch, rubbing the growing bulge before freeing his massive cock. He jerks off slowly, building a rhythm, his fantasy-driven mind lost in the sensations. His strokes become faster, more urgent, his gaze locked onto his reflection in the mirror. With a final, fierce tug, he comes undone, his body convulsing as he paints his room with his hot, sticky load. He catches his breath, his heart pounding, before wiping himself clean and returning to his duties, his secret pleasure session etched into his memory.