diff --git a/GameData/ETT/EngTechTree.cfg b/GameData/ETT/EngTechTree.cfg
index 0aaeacd..120bc5e 100644
--- a/GameData/ETT/EngTechTree.cfg
+++ b/GameData/ETT/EngTechTree.cfg
@@ -7592,6 +7592,17 @@ TechTree
 			part = KspiWarpDrive
 			part = TweakableAntimatterReactorUpgradeA
 			part = KspiQuantumSingulaityReactor
+			part = ELSD_IB-1
+			part = ESLD_LB-10
+			part = ESLD_LB-100
+			part = ESLD_LB-15
+			part = ESLDTankL
+			part = ESLDTankM
+			part = ESLDTankS
+			part = ESLD_AMU
+			part = ESLD_GMU
+			part = ESLD_HCU
+			part = ESLD_SCU
 		}
 	}
 	RDNode