Sentry turret

The sentry is a turret used by mils. There are 2 types of sentries. There is one that is on the wall and the other is a stationary turret much like the original gun turret except it has 4 barrels and a rocket launcher they can be operable and you can recruit them 2 ways.

1) Where you throw a recruiter grenade at them

2) using the emp grenade to shut them down then mounting the turret and then they will become allies automatically.

The ones that hang of the ceiling or moving rails

Into the Trenches (1ST appearance)

What Research?

Unhandled Expection

Secret Rendzvous

Fully Operational

The stationary ones appear in single-player

The search for Krunk (1ST appearance)

You know the Drill

The Hand is Mightier

Find the Spy Factory

Access the Ruins

Seen Better Days

Secret Rendzvous

Bright Lights, Mil City

Get to the Tower

Bring it Down

The stationary one appears in the multi-player map

Big E's house