While googling navies, I came across this webpage about
unofficial naval ceremonial certificates, which IMO makes fascinating reading. Some of it I knew beforehand, but a lot of them I hadn't heard of before.
Tempting as it is, I'm not going to do a search and replace of spacer terms for naval terms, because that's just not an OK thing to do. But it strikes me that this is the sort of thing that is bound to have counterparts in the Far Future.
Here's a few to begin with:
Crossing the ring: Going from one side of the 10,000th ring[*] to the other makes you a .....?
Crossing the ray: Going from one side of the 1st ray[*] to the other makes you a ....?
Crossing from one subsector to another is probably too common to count as anything special. Crossing from one sector to another and from one domain to another would rate, I think. The one that separates the pollywog-analogues from the shellback-analogues would be the sector-line-crossing, I think.
Entering each of the regions surrounding the Imperium: The Vargr Extents, Zhodani Space, the Hierate, the Rim, the Hivers, the K'Kree.
[*] "Astrography: The science of mapping interstellar space. Basic to any science of mapping is a coordinate system. The scientific system used by the Imperium is based on rings of longitude, rays of latitude, and parsecs. By convention, rays of latitude and rings of longitude are measured from a starting point at Reference (Core 0140), the world where the data from the First and Second Imperial Grand Surveys are stored.
The concentric ring passing through Reference/Capital is labeled the 10,000th ring, and is used as a baseline. Similarly, the ray of latitude extending from the center of the Galaxy through Reference/Capital is designated as the first ray. Measurement is in parsecs, counting in the trailing direction. Computation reveals that the circumference of the 10,000th ring (r=10,000) is 62,832 parsecs. Counting spinward uses a subtraction from 62,833, which is the equivalent of the zero baseline." [LDAM:15]
The analogue of a plank owner might be a plate owner or a frame owner.
Any comments or ideas?