diff --git a/GameData/RP-1/Tree/RP0TechTree.cfg b/GameData/RP-1/Tree/RP0TechTree.cfg
index b2ec08c218a..ded05256cf7 100644
--- a/GameData/RP-1/Tree/RP0TechTree.cfg
+++ b/GameData/RP-1/Tree/RP0TechTree.cfg
@@ -407,15 +407,15 @@
 	}
 	RDNode
 	{
-		id = prototypeSpaceplanes
-		title = Prototype Spaceplanes
-		description = Prototype Spaceplanes (1965)
-		cost = 55
+		id = suborbitalSpaceplanes
+		title = Suborbital Spaceplanes
+		description = Suborbital Spaceplanes (1962)
+		cost = 10
 		hideEmpty = False
-		nodeName = prototypeSpaceplanes
+		nodeName = suborbitalSpaceplanesRP0
 		anyToUnlock = False
-		icon = RP-1/Tree/Icons/rp0_icon_x20
-		pos = -2527,2005,-1
+		icon = RP-1/Tree/Icons/rp0_icon_x15
+		pos = -2867,2005,-1
 		scale = 0.6
 		Parent
 		{
@@ -425,7 +425,63 @@
 		}
 		Parent
 		{
-			parentID = materialsScienceAdvCapsules
+			parentID = earlyFlightControl
+			lineFrom = RIGHT
+			lineTo = LEFT
+		}
+		Parent
+		{
+			parentID = entryDescentLanding
+			lineFrom = RIGHT
+			lineTo = LEFT
+		}
+		Parent
+		{
+			parentID = materialsScienceHuman
+			lineFrom = RIGHT
+			lineTo = LEFT
+		}
+	}
+	RDNode
+	{
+		id = reusableTPS
+		title = Reusable Thermal Protection Systems
+		description = Reusable Thermal Protection Systems (1964)
+		cost = 20
+		hideEmpty = False
+		nodeName = hypersonicFlightRP0
+		anyToUnlock = True
+		icon = RP-1/Tree/Icons/rp0_icon_x15
+		pos = -2612,2005,-1
+		scale = 0.6
+		Parent
+		{
+			parentID = suborbitalSpaceplanesRP0
+			lineFrom = RIGHT
+			lineTo = LEFT
+		}
+		Parent
+		{
+			parentID = basicCapsules
+			lineFrom = RIGHT
+			lineTo = LEFT
+		}
+	}
+	RDNode
+	{
+		id = prototypeSpaceplanes
+		title = Prototype Spaceplanes
+		description = Prototype Spaceplanes (1965)
+		cost = 15
+		hideEmpty = False
+		nodeName = prototypeSpaceplanes
+		anyToUnlock = False
+		icon = RP-1/Tree/Icons/rp0_icon_x20
+		pos = -2527,2005,-1
+		scale = 0.6
+		Parent
+		{
+			parentID = reusableTPS
 			lineFrom = RIGHT
 			lineTo = LEFT
 		}
@@ -988,7 +1044,7 @@
 		scale = 0.6
 		Parent
 		{
-			parentID = secondGenCapsules
+			parentID = earlyDocking
 			lineFrom = RIGHT
 			lineTo = LEFT
 		}
diff --git a/GameData/RP-1/Tree/TREE-Parts.cfg b/GameData/RP-1/Tree/TREE-Parts.cfg
index 6173f3da650..39ea96d10e0 100644
--- a/GameData/RP-1/Tree/TREE-Parts.cfg
+++ b/GameData/RP-1/Tree/TREE-Parts.cfg
@@ -559,7 +559,7 @@
 }
 @PART[B9_Aero_Wing_Procedural_TypeA]:FOR[xxxRP0]
 {
-    %TechRequired = prototypeSpaceplanes
+    %TechRequired = reusableTPS
     %cost = 0
     %entryCost = 15000
     RP0conf = true
@@ -567,7 +567,7 @@
 }
 @PART[B9_Aero_Wing_Procedural_TypeB]:FOR[xxxRP0]
 {
-    %TechRequired = prototypeSpaceplanes
+    %TechRequired = reusableTPS
     %cost = 0
     %entryCost = 15000
     RP0conf = true
@@ -575,7 +575,7 @@
 }
 @PART[B9_Aero_Wing_Procedural_TypeC]:FOR[xxxRP0]
 {
-    %TechRequired = prototypeSpaceplanes
+    %TechRequired = reusableTPS
     %cost = 0
     %entryCost = 15000
     RP0conf = true
@@ -6604,7 +6604,7 @@
 }
 @PART[RO-ProcTankSpaceplane]:FOR[xxxRP0]
 {
-    %TechRequired = prototypeSpaceplanes
+    %TechRequired = reusableTPS
     %cost = 0
     %entryCost = 40000
     RP0conf = true
@@ -14309,7 +14309,7 @@
 }
 @PART[ROT-MiscTank-Shielded]:FOR[xxxRP0]
 {
-    %TechRequired = prototypeSpaceplanes
+    %TechRequired = reusableTPS
     %cost = 0
     %entryCost = 40000
     RP0conf = true