Unrecognizable army soldier marine writing in a book or diary with a pen close up on hand

unrecognizable army soldier marine writing book diary pen closeup hand journal notebook military writing down close view personal thoughts memories reflection recording recording thoughts memoirs closeup shot uniform camouflage ink paper notetaking details fingers concentration detail scribbling jotting documenting records journaling tactical unidentified close shot document notebook paper written words confidential handwriting closeup view recordkeeping secret