diff --git a/core/assets-raw/sprites/blocks/defense/overdrive-dome-top.png b/core/assets-raw/sprites/blocks/defense/overdrive-dome-top.png
new file mode 100644
index 0000000000..4daa23ba53
Binary files /dev/null and b/core/assets-raw/sprites/blocks/defense/overdrive-dome-top.png differ
diff --git a/core/assets-raw/sprites/blocks/defense/overdrive-dome.png b/core/assets-raw/sprites/blocks/defense/overdrive-dome.png
new file mode 100644
index 0000000000..61515689d0
Binary files /dev/null and b/core/assets-raw/sprites/blocks/defense/overdrive-dome.png differ
diff --git a/core/assets/bundles/bundle.properties b/core/assets/bundles/bundle.properties
index ccb520cafe..1301009bd6 100644
--- a/core/assets/bundles/bundle.properties
+++ b/core/assets/bundles/bundle.properties
@@ -459,7 +459,7 @@ locked = Locked
 complete = [lightgray]Complete:
 requirement.wave = Reach Wave {0} in {1}
 requirement.core = Destroy Enemy Core in {0}
-requirement.unlock = Unlock {0}
+requirement.research = Research {0}
 resume = Resume Zone:\n[lightgray]{0}
 bestwave = [lightgray]Best Wave: {0}
 #TODO fix/remove this
diff --git a/core/src/mindustry/content/SectorPresets.java b/core/src/mindustry/content/SectorPresets.java
index c979bc9dda..1161dc2159 100644
--- a/core/src/mindustry/content/SectorPresets.java
+++ b/core/src/mindustry/content/SectorPresets.java
@@ -33,8 +33,8 @@ public class SectorPresets implements ContentList{
             new SectorWave(groundZero, 60),
             //new Unlock(Blocks.daggerFactory),
             //new Unlock(Blocks.draugFactory),
-            new Unlock(Blocks.door),
-            new Unlock(Blocks.waterExtractor)
+            new Research(Blocks.door),
+            new Research(Blocks.waterExtractor)
             );
         }};
 
@@ -42,8 +42,8 @@ public class SectorPresets implements ContentList{
             conditionWave = 10;
             requirements = with(
             new SectorWave(groundZero, 10),
-            new Unlock(Blocks.junction),
-            new Unlock(Blocks.router)
+            new Research(Blocks.junction),
+            new Research(Blocks.router)
             );
         }};
 
@@ -51,8 +51,8 @@ public class SectorPresets implements ContentList{
             conditionWave = 10;
             requirements = with(
             new SectorWave(frozenForest, 10),
-            new Unlock(Blocks.mender),
-            new Unlock(Blocks.combustionGenerator)
+            new Research(Blocks.mender),
+            new Research(Blocks.combustionGenerator)
             );
         }};
 
@@ -62,10 +62,10 @@ public class SectorPresets implements ContentList{
             requirements = with(
             new SectorWave(groundZero, 20),
             new SectorWave(craters, 15),
-            new Unlock(Blocks.graphitePress),
-            new Unlock(Blocks.combustionGenerator),
-            new Unlock(Blocks.kiln),
-            new Unlock(Blocks.mechanicalPump)
+            new Research(Blocks.graphitePress),
+            new Research(Blocks.combustionGenerator),
+            new Research(Blocks.kiln),
+            new Research(Blocks.mechanicalPump)
             );
         }};
 
@@ -74,9 +74,9 @@ public class SectorPresets implements ContentList{
             launchPeriod = 10;
             requirements = with(
             new SectorWave(frozenForest, 15),
-            new Unlock(Blocks.pneumaticDrill),
-            new Unlock(Blocks.powerNode),
-            new Unlock(Blocks.turbineGenerator)
+            new Research(Blocks.pneumaticDrill),
+            new Research(Blocks.powerNode),
+            new Research(Blocks.turbineGenerator)
             );
         }};
 
@@ -85,8 +85,8 @@ public class SectorPresets implements ContentList{
             new SectorWave(stainedMountains, 15),
             //new Unlock(Blocks.daggerFactory),
             //new Unlock(Blocks.crawlerFactory),
-            new Unlock(Blocks.door),
-            new Unlock(Blocks.siliconSmelter)
+            new Research(Blocks.door),
+            new Research(Blocks.siliconSmelter)
             );
         }};
 
@@ -96,8 +96,8 @@ public class SectorPresets implements ContentList{
             requirements = with(
             new SectorWave(craters, 40),
             new Launched(fungalPass),
-            new Unlock(Blocks.cultivator),
-            new Unlock(Blocks.sporePress)
+            new Research(Blocks.cultivator),
+            new Research(Blocks.sporePress)
             //new Unlock(Blocks.titanFactory),
             //new Unlock(Blocks.wraithFactory)
             );
@@ -108,9 +108,9 @@ public class SectorPresets implements ContentList{
             launchPeriod = 10;
             requirements = with(
             new SectorWave(ruinousShores, 20),
-            new Unlock(Blocks.coalCentrifuge),
-            new Unlock(Blocks.conduit),
-            new Unlock(Blocks.wave)
+            new Research(Blocks.coalCentrifuge),
+            new Research(Blocks.conduit),
+            new Research(Blocks.wave)
             );
         }};
 
@@ -119,8 +119,8 @@ public class SectorPresets implements ContentList{
             launchPeriod = 2;
             requirements = with(
             new SectorWave(tarFields, 20),
-            new Unlock(Blocks.thermalGenerator),
-            new Unlock(Blocks.thoriumReactor)
+            new Research(Blocks.thermalGenerator),
+            new Research(Blocks.thoriumReactor)
             );
         }};
 
@@ -130,8 +130,8 @@ public class SectorPresets implements ContentList{
             launchPeriod = 15;
             requirements = with(
             new Launched(fungalPass),
-            new Unlock(Blocks.thermalGenerator),
-            new Unlock(Blocks.laserDrill)
+            new Research(Blocks.thermalGenerator),
+            new Research(Blocks.laserDrill)
             );
         }};
 
diff --git a/core/src/mindustry/content/TechTree.java b/core/src/mindustry/content/TechTree.java
index 02a130f93a..1850cc8869 100644
--- a/core/src/mindustry/content/TechTree.java
+++ b/core/src/mindustry/content/TechTree.java
@@ -472,6 +472,8 @@ public class TechTree implements ContentList{
             this.depth = parent == null ? 0 : parent.depth + 1;
             this.progress = Core.settings == null ? 0 : Core.settings.getFloat("research-" + content.name, 0f);
 
+            objectives = Seq.with(requirements).select(i -> !i.item.alwaysUnlocked).map(i -> new Research(i.item)).toArray(Objective.class);
+
             map.put(content, this);
             context = this;
             children.run();
diff --git a/core/src/mindustry/ctype/UnlockableContent.java b/core/src/mindustry/ctype/UnlockableContent.java
index a74241a518..211854c453 100644
--- a/core/src/mindustry/ctype/UnlockableContent.java
+++ b/core/src/mindustry/ctype/UnlockableContent.java
@@ -42,6 +42,10 @@ public abstract class UnlockableContent extends MappableContent{
 
     }
 
+    public String emoji(){
+        return Fonts.getUnicodeStr(name);
+    }
+
     /** Returns a specific content icon, or the region {contentType}-{name} if not found.*/
     public TextureRegion icon(Cicon icon){
         if(cicons[icon.ordinal()] == null){
diff --git a/core/src/mindustry/game/Objectives.java b/core/src/mindustry/game/Objectives.java
index 6f8913b9e2..27f5bcf5c3 100644
--- a/core/src/mindustry/game/Objectives.java
+++ b/core/src/mindustry/game/Objectives.java
@@ -3,29 +3,29 @@ package mindustry.game;
 import arc.*;
 import arc.scene.ui.layout.*;
 import arc.util.ArcAnnotate.*;
+import mindustry.ctype.*;
 import mindustry.type.*;
-import mindustry.world.*;
 
 /** Holds objective classes. */
 public class Objectives{
 
-    public static class Unlock implements Objective{
-        public @NonNull Block block;
+    public static class Research implements Objective{
+        public @NonNull UnlockableContent content;
 
-        public Unlock(Block block){
-            this.block = block;
+        public Research(UnlockableContent content){
+            this.content = content;
         }
 
-        protected Unlock(){}
+        protected Research(){}
 
         @Override
         public boolean complete(){
-            return block.unlocked();
+            return content.unlocked();
         }
 
         @Override
         public String display(){
-            return Core.bundle.format("requirement.unlock", block.localizedName);
+            return Core.bundle.format("requirement.research", content.emoji() + " " + content.localizedName);
         }
     }
 
diff --git a/core/src/mindustry/ui/dialogs/ResearchDialog.java b/core/src/mindustry/ui/dialogs/ResearchDialog.java
index ed7b7bc32b..126096d565 100644
--- a/core/src/mindustry/ui/dialogs/ResearchDialog.java
+++ b/core/src/mindustry/ui/dialogs/ResearchDialog.java
@@ -256,7 +256,7 @@ public class ResearchDialog extends BaseDialog{
                                 }
                             });
                         }
-                    }else if(items().has(node.node.requirements) && locked(node.node)){
+                    }else if(canUnlock(node.node) && locked(node.node)){
                         unlock(node.node);
                     }
                 });
@@ -313,6 +313,10 @@ public class ResearchDialog extends BaseDialog{
             panY = ry - bounds.y - oy;
         }
 
+        boolean canUnlock(TechNode node){
+            return items().has(node.requirements) && !Structs.contains(node.objectives, o -> !o.complete());
+        }
+
         void unlock(TechNode node){
             node.content.unlock();
             items().remove(node.requirements);
@@ -378,8 +382,7 @@ public class ResearchDialog extends BaseDialog{
                                     r.add("$complete").colspan(2).left();
                                     r.row();
                                     for(Objective o : node.objectives){
-                                        r.image(Icon.right).padRight(4);
-                                        r.add(o.display()).color(Color.lightGray);
+                                        r.add(o.display()).color(Color.lightGray).left().padLeft(15f);
                                         r.image(o.complete() ? Icon.ok : Icon.cancel, o.complete() ? Color.lightGray : Color.scarlet).padLeft(3);
                                         r.row();
                                     }
@@ -395,7 +398,7 @@ public class ResearchDialog extends BaseDialog{
                 if(mobile && locked(node)){
                     b.row();
                     b.button("$research", Icon.ok, Styles.nodet, () -> unlock(node))
-                    .disabled(i -> !items().has(node.requirements)).growX().height(44f).colspan(3);
+                    .disabled(i -> !canUnlock(node)).growX().height(44f).colspan(3);
                 }
             });
 
diff --git a/core/src/mindustry/world/blocks/units/Reconstructor.java b/core/src/mindustry/world/blocks/units/Reconstructor.java
index 38e02628d3..0920efbb00 100644
--- a/core/src/mindustry/world/blocks/units/Reconstructor.java
+++ b/core/src/mindustry/world/blocks/units/Reconstructor.java
@@ -150,7 +150,8 @@ public class Reconstructor extends UnitBlock{
         }
 
         public boolean hasUpgrade(UnitType type){
-            return upgrade(type) != null;
+            UnitType t = upgrade(type);
+            return t != null && t.unlockedNow();
         }
 
         public UnitType upgrade(UnitType type){