https://slavyanski.net/sb2020/story.php?title=m-chaturbate-are-you-ready-for-a-fantastic-thing PCU: Pre Commissioning Unit: What a ships enterprise is identified as just before a ship is commissioned. If functioning on one boiler at the time of the casualty, the ship then goes "darkish and tranquil" as all electricity and propulsion is lost. This is carried out not only to test the 'mettle' of the a single receiving the greeting but also as a sign of comraderie. Sat, 03 Sep 2022 08:26:30 UTC en