How To Write A Letter To Someone In The Navy . All troops are not soldiers. Providing this gives the recipient of the letter a way to contact you (or the author) in case they need more information. Military Letters To Family Letter from letternay.blogspot.com In the indian navy, if you have a request or complaint you first make it verbally to your divisional officer. If you are hand writing an anonymous letter to a random soldier, see the websites in the resources section for address information. If it’s army, then i write, dear soldier.