If you were given an initial it's because someone preceded you in the unit with the same last name. They retain the use of Harris without the initial. You have to keep yours. That or someone made a mistake, which is always a possibility.
Name (including initials): Astrope, D Rank: GySgt Billet: 0369 Infantry Unit Leader Section: India 3 Are you Game Admin Qualified: Yes Additional Duties (S-Shops or Instructors): N/A Link to SMF Profile: http://15thmeu.net/forums/index.php?action=profile;u=536