A cruiser is a ship capable of extended operations, not requiring regular resupply. Non-Military cruisers are heavy ships operated by megacorps, nations, and other interests, but are not armed.
A technological terror
Some stories call it the first real warship, others just Typhoon. But they all agree on one thing, the ship is one of the most elite in the galaxy.
Mining in a certain area turns all exposed skin (maybe just parts that are actively disturbing the chemicals that cause the reaction) of the those doing the mining to a dark blue color. Will wear off taking as many years/days spent in the mine. ... meeting a party of blue-skinned humans armed with pick-axes etc. Strange disease? Demon offspring? Curse? If they meet only one ex-worker, they will very carefully listen to any stories he says, no matter if drunken or insane, or just makes up to get a beer.