Joey Williams:  

EVENT PRIZES
NIMBUS
Unlocked from specific Mission completions
Unit Type: Airborne, Helicopter
Damage:
Area Damage
High Range
Low Damage over a large area
Targets Ground only
Effective against Infantry, Buildings, and Walls.
Description: A long range helicopter that deals damage over a large area.

LEGENDARY MEGA TANK
Unlocked in the Event Shop for XP
Unit Type: Heavy Vehicle, PVP ONLY
Can ONLY be placed into PvP Platoons
Damage:
Burst Damage
Moderate Range
High Damage
Targets Ground only
Effective against Infantry, Buildings, and Walls.
Defense:
High Health
Description: The Legendary Mega Tank is an absolutely devastating addition to any army.

A-LINE MISSILES COMPONENT
Chance drop from the Omega Sandstorm Sector Base
Unit: Omega Sandstorm
Slot: Missiles
Description: Increases Omega Sandstorm reload speed by 15%. Increases missile speed and Damage to Buildings by 25%

HIGH COMMANDER COMPONENT
Chance drop from the Omega Sandstorm Sector Base
Unit: Omega Sandstorm
Slot: Pilot
Description: Increases Omega Sandstorm Drone Damage by 40%. Increases Movement Speed by 15%.

https://www.kixeye.com/forum/discussion/658885