A Stratos sentinel
The Sentinels were a group of guards in the Stratos city. Some Troglytes, known as retainers, served as sentinels and servants to the city-dwellers of Stratos. The sentinels answered directly to Plasus, the city's high advisor. (TOS: "The Cloud Minders")
External link[]
- Sentinel at Memory Beta, the wiki for licensed Star Trek works