What is "transits"

Usage examples of "transits".

The Redwing System, five transits beyond Alfred, was its closest outpost, and he gathered from the scanty data that the infidels regarded it as a formidable obstacle, even though its fortifications were eighty and ninety Terran years old.

The tricky thing about warp point assaults was sequencing your transits so no two units emerged too close together and overlapped in normal space.