Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The UNIT dating controversy is an ongoing debate in Doctor Who fandom, concerning exactly when the stories featuring the fictional military organisation known as United Nations Intelligence Taskforce, or more recently as the Unified Intelligence Taskforce, take place in the timeline of the television series.The years during which UNIT operated in the original series run (it appeared in stories from 1968 1989) were not made clear and there has been much confusion and debate on the subject. Although there is strong evidence that at least some of the production team intended the UNIT stories to take place in the "near future", this policy was not consistently applied. Whether the stories take place contemporaneously with the broadcast dates, a few years in the future, or even a few years into the past is therefore arguable.