Etiquette is an important skill when writing letters. You need to provide the correct form of address when writing a letter to someone with a title or rank, to ensure that the letter reaches the recipient and then receives the due attention. When writing a letter to commissioned military personnel, you should address the recipient by his correct rank.
Write the recipient's address on the left side of the letter. For example, when writing to a Major General, the address would be started "Major General (Name)." Write the military personnel's position below. For example "Commanding Officer, Fort Richardson, AK." Complete the rest of the postal address.
Write your greetings to the military personnel. In the case of a Major General, you can shorten the salutation to General, so the greeting would appear: "Dear General (Surname)."
Write the content of your letter. Finish the letter with an appropriate ending, depending on the content of the letter. "Yours Sincerely" is a good letter closing, followed by your signature and name.