Research: Enhanced Defense Systems I
Description: Our scientists are researching advanced metallurgical techniques to create stronger defensive structures, improving overall defensive strength by 10%.
  The costs for researching this technology are the following:
Resource Quantity
Iron: 750
Titanium: 500
Carbon: 300
Silicon: 200
Gold: 100
Hydrogen: 50
Helium-3: 25
Aluminum: 75
Copper: 300
Zinc: 50
Silver: 25