A Connecticut reader who describes himself as a paratroop veteran from the Korean War era who was lucky to be assigned to Germany, "rather than that slaughter house of Korea," writes: I find this convention that has developed of saying, "thank you for your service" off-putting. It immediately shuts the door.  Nothing more to say except, "Thank you." Puts us in a box. You will never hear veterans speak to each other this way. Besides, the dirty little secret is most of us had the time of our lives. It was great fun. Another reader sends along this message from his brother, a Vietnam vet....