The Hellfire Turret's missile may be targeted and shot down by any Unit that is able to Fire on Aircraft except theFlak Tank and Standard or EliteValkyrie.
The Hellfire Turret's missile may not be targeted and shot down by aCustomized Sniper.
A Level 5 Hellfire Turret can be outranged by a Level 7 Hellfire.
From Level 1 to Level 5 the Hellfire Turret fires 1 missile at a time that fly in a slow moving arc. This makes it very ineffective against moving targets.
At Level 6 the Hellfire Turret fires 2 missiles simultaneously, both with an increase velocity over the single missile of previous levels. In addition, the two missiles split into clusters just prior to impact similar to the missiles fired form the Elite Hellfire.
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Hellfires are medium-range rockets that pack a serious punch. These turrets rain down devastation on base invaders.
— In-Game Description
ROCKET LAUNCH - Everyone knows that if you play with fire, you're going to get burned, Commander!
— R.U.B.I. (Unlocks Hellfire Turret)
BRAG UNLOCKS HELLFIRE TURRET - Screams of terror will be like music to your ears, Commander.
MISSION - Commander, you should research the Hellfire Turret. Then we can lay out a fire filled welcome mat four our foes.
— Mission - Bringing Hell
MISSION - Excellent Commander! I can already imagine our enemies bursting into flames.