Moonbase Laika

When Sgt A. Frederick briefed the press on the disappearance of Guinevere One, she affirmed that UNIT had no position on the probe other than their general support for mankind's expansion to the stars, and that they were building, in Frederick's own words, a "secret mission control centre". (PROSE: Guinevere One)

Behind the scenes
Given the general unreliability of Frederick's press briefing in Guinevere One, it is unclear if any merit exists towards her claims that a "secret mission control centre" was being built.