Rig for red refers to turning the control center lights to red in preparation for periscope depth. Red light making it easier for eyes to adjust to darkness when rigged for black prior to heading up to periscope depth. They must be about to make a move. So much fear mongering on TV with the virus, now talking about closing all sports events for 3 weeks, which is quite a specific timeframe.. Plenty of other news distractions to keep the masses focused..