Stealth (C-evo)

Stealth is a late-game in C-evo that allows the designing and building of s that are invisible to enemies except a .
The seems not to say what happens when a stealth unit is the only occupant of a that another nation's unit tries to enter. Presumably the rival gets a message similar to the messages about or fully loaded transports.
If all of your rivals are controlled by the , which in version 1.2.0 cannot create air units, there is no value in Stealth.