Mititarum Tempestus not in 8th Ed Index?

First competed mini from the Militarum Tempestus boxed set. The Taurox Prime is still under construction so as to allow for the painting of the highly detailed interior. Once that is done construction should be fairly quick. On the GW website this morning a number of the starter boxed sets were up for preorders with the relevant 8th Ed Index for the faction in the boxed set. But the Militarum Tempestus was not amongst them. Does this mean that the Militarum Tempestus isn't in either of the Imperial faction Indices??