The most recent edition of the Guidelines, completed in 2000, replaced the 1980 revised edition.
These editions replaced the older versions as textbooks for Military officers.
Later editions replaced the glued-on three-dimensional image with a photograph, due to high production costs.
The edition of the programme replaced The World, which had been broadcast as a simulcast on the channel between 2002 and 2007.
Unlike the 2005 edition held in Hong Kong, the 2009 edition did not replace one of the 2008-09 series events.
The second edition of Centurion replaced these with plastic miniatures.
The second edition replaces the previous edition by providing all the information included in the first volume as well as more recent data.
Regular single-disc editions are replacing the limited ones for long-term release.
Sometimes replaces "Just Enough" on Friday editions of the show.
Later editions, retitled as Kull, replaced the stories with the uncompleted fragments.
