Strengthened Superstructure is a technology in Clone Campaigns that can be researched at the Shield Generator in Tech Level 3. It costs 300 Carbon and 100 Ore, and gives Shield Generators +250 Hit Points.

This technology makes it harder for enemies to take out the player's Shield Generators.

"Available at Shield Generators, the Strengthened Superstructure technology makes these defensive structures harder to destroy."
—Manual description