Most soldiers on both sides of the the Civil War are literate: letters of love, shared memories, and a wish to be remembered are their lifeline home. Postal services deliver millions of letters to the troops monthly, but in war, they are not always delivered on time. It is a muggy day in early June 1864. Union Soldier Gilmer Watts pens a letter to his wife, Clara. Gilmer Watts is 25 miles from Atlanta.