protected void GetFields() {
    if (_PreviousPersonnel == null) return;

    _PreviousPersonnel.setName(_NameTextField.getText());
    _PreviousPersonnel.setCallsign(_CallsignTextField.getText());
    _PreviousPersonnel.setRank((Rank) _RankCombo.getSelectedItem());
    _PreviousPersonnel.setRating((Rating) _RatingCombo.getSelectedItem());
    _PreviousPersonnel.setNotes(_NotesTextArea.getText());
  }