The MiG-21ZSM Bullhorn, The Competitor of the MiG-21ZSN Nightingale.

History of the MiG-21ZSM Bullhorn:
MiG-21ZSN and MiG-21ZSM are modified by two different Branches within ZacSmir.

MiG-21ZSN Nightingale is modified by the Night Aerospace Modifiers Branch.

MiG-21ZSM Bullhorn is modified by the Russian Branch of the Corporation.

The Two Difference of the Planes are its Armaments and Camoflauge.

The Nightingale has a Dark Camoflauge, which makes it undetectable by the eyes of a Human, But the Bullhorn uses a Green-Brown Camoflauge, Making it a Day-Fighter.

The Armament,
Nightingale:
Pros:
8 Anti-Tank Missiles, Capable of Taking out several Targets.
2 Anti-Ship Missiles.
A Single 30mm Gatling Gun capable of Supporting Ground Forces.
Cons:
The Nightingale had no Anti-Aircraft Capabilities, Only a 30mm Cannon. Making it a target with only countermeasures to fight back with.

The Bullhorn:
Pros:
4x AAM-30 Iris Anti-Aircraft Missiles.
1x UBZS-2 Bodark Guided Bomb
2x (6x technically) 23mm Guns, capable of Close Air Support and taking out Light Armored Vehicles

Cons:
The Gun had no effect on Highly Armored Tanks, The Guided Bomb is its only way to take out tanks.

The Plane had every advantage over the Nightingale.
And Won over what the Soviets will buy.

Modification History:
Three were bought for three branches to modify it.
MiG-21ZSN Nightingale - Night Aerospace Modifiers Branch
MiG-21ZSM Bullhorn - Russian Aircraft Modifiers Branch
MiG-21ZS Bullseye - Main Modifiers Branch
The Fuel Tanks were moved to the side of the plane, Making Room for the UBZS-2 Bodark Guided Bombs. The Missiles are the High Tech AAM-30 Iris Anti-Aircraft Missiles, Numbering Four.

The Bullhorn was the first to be modified, used by the Mercenary's Airforce and delivered to foreign countries especially the USSR, with 31 Total Being Delivered to the USSR in 1982.