And to be clear, anyone can write those. If you play either of those factions, feel free to write one up! By definition, any tactics article you write for Sisters or
GSC would be
the best one on the site
Ask here if you need technical help or run into a problem or honestly even just proofreading, but don't hesitate to get an article or articles out there if you have the subject matter knowledge to do so. You also could ask in the appropriate subforum if like to have other members flesh out sections, or assist with strategies and such.