A thug, fully armed, is bullying a weak woman when suddenly, a grizzly bear jumps out of the nearby bushes and slaps him across the face.
This is the current predicament of The Long Night of Solitude.
For the Star Alliance, the sudden appearance of this huge battleship totally caught them off guard. Both the Star Alliance and UNSC employ superluminal travel, with the former just being more precise and covering a larger range. However, the spatial fluctuations caused by superluminal travel could not be neutralized. Thus, whether it is the Star Alliance or the UNSC, spatial fluctuations would occur prior to reaching their destination, prompting the other party to be on guard.
However, the Tribunal utilizes a more advanced and discreet method of traversing the subspace derived from the Ancient Saints. This method is more convenient as well.