SARGE

 is a sentry bot appearing in Fallout 4.

Background
An old military sentry bot repurposed by the Minutemen to protect their underground tunnels and the Castle in general, SARGE was left in permanently hostile mode once General McGann was trapped in the tunnels. Fearing a supermutant attack, Gann sealed himself in. After he died, SARGE continued with his mission of covering the exit from any attackers.

Quests

 * Old Guns: Sarge has to be defeated to access McGann's last resting place.

Appearances
appears only in Fallout 4.