Tier 2 Tech

Tier 2 Tech is an upgrade that appears in Command & Conquer 4: Tiberian Twilight.

Description[]

This upgrade unlocks the following units, upgrades, and structures. It also grants access to Crawler weapons.

v·d·e

Offense
Infantry	Engineer Cyborg commando
Vehicles	Offense Crawler Avenger Attack bike Raider Scorpion tank Spider tank Mantis Flame tank Stealth tank Avatar Widow Specter
Upgrades	Trail of Flame Infiltration module Stealth field Stealth generator Backup systems Arachnophobia Mobile stealth generator Tiberium catalyst

Defense
Infantry	Engineer Devout Ascended Enlightened Black Hand Reaper High confessor
Vehicles	Defense Crawler Slave Centurion Reckoner Aftershock Underminer
Structures	Bunker Viper turret Rocket pod Burrow tunnel Flame column Obelisk of Light Disruption tower Incinerator Temple of Nod
Upgrades	Medical training Dark Armaments Drilltip Enhanced repairs Defensive matrix Improved concealment Enhanced shields Mobility matrix

Support
Infantry	Engineer Hijacker
Vehicles	Marauder Tyrant
Aircraft	Support Crawler Scalpel Venom Cobra Vertigo Salamander Basilisk Medusa Leviathan
Support powers	Eyes of the People Burrow mines Demoralize EMP countermeasures Obelisk of Life Cloaking field Firestorm ignition Decoy army Hack radar Subterranean strike Hand of Legion Vein detonation Risen monolith Mark of Kane Tiberium infusion
Upgrades	Cloak module Infusion engine Data worm Mobile stealth generator Spectrum beam Amplification overrides Charged capacitors Hangar bays

Other
Miscellaneous	Rioter Subterranean network • GST Uzziel • Gideon's Crawler
Shared upgrades	Tier 1 Tech Tier 2 Tech Tier 3 Tech Refire boost Accuracy boost Speed boost Range boost

v·d·e

Offense
Infantry	Engineer Commando
Vehicles	Offense Crawler Talon Hunter Wolf Titan Striker Bulldog Shockwave Sandstorm Mammoth tank $Refractor$ Refractor Mastodon
Upgrades	Resonance amplifier Missile storm Demolitions kit Composite armour Backup systems Mirror plating Advanced composite armour Dispersion bays

Defense
Infantry	Engineer Zone trooper Zone enforcer Zone defender Zone lancer Zone raider Zone captain
Vehicles	Defense Crawler Dozer Spartan tank Armadillo Rhino Juggernaut
Structures	Bunker Guardian cannon Missile turret Tunnel Focus beam Falcon MLRS Crystal shield Skystrike artillery Ion cannon Outpost
Upgrades	Medical training Assault packs Reflective dozer Enhanced repairs Defensive matrix Sticky bombs Enhanced shields Mobility matrix

Support
Infantry	Engineer
Vehicles	Sheppard tank Conductor Thunderhead
Aircraft	Support Crawler Spanner Orca Hurricane Paladin Hammerhead Firehawk Archangel Kodiak
Support powers	Recon drone Repair zone Status reboot Accelerated construction Overkill Tech support EMP mine drop Point defense shields Supply drop Mirror coat Battle hardening Displacement field Sonic artillery Firehawk airstrike Seismic disturbance
Upgrades	Berzerker engines Weapon dampeners Electrolysis projector Advanced thrusters Gravity field Augmented reconstruction Charged capacitors Defensive maneuvers

Others
Campaign-only	Global Stratospheric Transport • Arcus
Shared upgrades	Tier 1 Tech Tier 2 Tech Tier 3 Tech Accuracy boost Speed boost Range boost Refire boost