Aircraft Supercharges
Cost: 150
Affects: Ammunition Production
+25% to Maximum Speed
- This can be purchased from the Airfield building. It'll increase the speed of your aircraft, which will be quite useful when you're attacking a well defended enemy base.
Advanced Infantry Training
Cost: 75
Affects: Infantry
+1 to Current Morale
- This can be purchased from the Corps HQ building. It's just a tiny boost in morale... who knows, it might help you control your units in a tight situation sometime.
Ammunition Production
Cost: 150
Affects: Ammunition Production
+5 to Current Ammo Production
- This can be purchased from the Engineer Brigade building. Exactly as it says, this will add five points to your current ammo supply.
Conscription
Cost: 100
Affects: Infantry HQ
-20% to Recruit Cost
- This can be purchased from the Corps HQ building. It'll reduce the price of infantry units by twenty percent. Worth it if you plan on using a lot of anti-tank units or something.
Construction Battalions
Cost: 75
Affects: Engineers
+3 to Repair Ability
- This can be purchased from the Engineer Brigade building. It's not always necessary, but sometimes, that extra repair speed can be a life saver.
Diesel Engines
Cost: 100
Affects: Tanks
+15% to Maximum Speed
- This can be purchased from the Motor Pool structure. It will increase the speed of your armored units, which is never a bad thing.
Entrenchment
Cost: 75
Affects: All Regiments
+25% to Entrenchment Rate
- This can be purchased from the Engineer Brigade structure. This will make your units entrench themselves faster. Seeing as most of your units won't be entrenched during combat anyway, this is rarely an issue.
Gyrostabilized Tank Guns
Cost: 150
Affects: Tanks
+10 to Attack Value
- This can be purchased from the Artillery Brigade building. It increases the firepower of your armored units by a significant amount.
Heavy Tanks
Cost: 100
Affects: Armor HQ
- This can be purchased from the Motor Pool building. Having this research will allow you to buy Heavy Tanks from the Armor HQ.
Improved AT Weapons
Cost: 75
Affects: AT Infantry
+10 to Attack Value
- This can be purchased from the Motor Pool building. It will increase the damage caused by anti-tank infantry units.
Improved Fortifications
Cost: 75
Affects: Bunkers
+25% Shell Resistance
+25% Explosive Resistance
- This can be purchased from the Engineer Brigade structure. It will increase the defensive values of your Artillery Batteries, Anti-Aircraft Batteries, and Bunkers.
Improved Reconnaissance
Cost: 50
Affects: Aircraft
+5 to Detection Range
- This can be purchased at the Airfield structure. It will allow your planes to reveal a larger area as they fly towards their targets.
Long Range Artillery
Cost: 75
Affects: Artillery
+6 to Projectile Ability Range
+6 to Bombard Ability Range
- This can be purchased from the Artillery Brigade building. It will increase the range and effectiveness of your artillery units, including your Artillery Batteries.
Marksmanship Training
Cost: 75
Affects: Infantry
+2 to Attack Value
- This can be purchased from the Corps HQ building.
Mechanical Reliability
Cost: 100
Affects: Vehicles
+10% to Health
- This can be purchased from the Motor Pool building. It will increase the maximum health of your units, including the various truck units.
Military Surplus
Cost: 150
Affects: Money Production
+5 Money Production
- This can be purchased from the Corps HQ building. It will permanently increase your money prodution by five.
Rocket Truck
Cost: 125
Affects: Division HQs
- This can be purchased from the Artillery Brigade structure. It will allow you to recruit Rocket Truck and Armored Rocket Truck regiments from Mechanized Division HQs and Armor Division HQs (respectively).
Self-Sealing Fuel Tanks
Cost: 100
Affects: Aircraft
+20 to Defense Value
- This can be purchased from the Airfield building. It increases the defense value of your planes, making them harder to shoot down.
Sniper Rifles
Cost: 100
Affects: Infantry HQ
- This can be purchased from a Corps HQ building. It will allow you to recruit Sniper Infantry units from an Infantry Division HQ.
Tank Production
Cost: 150
Affects: Armor HQs
-10% to Recruit Cost
- This can be purchased from the Artillery Brigade structure. If you're in a prolonged battle where you're likely to need more than ten Heavy Tank regiments, this will likely pay for itself eventually. >_>

Written by : Deuce ex Defcon
Courtesy of: The Brink
Website:
http://thebrink.us/boards