diff --git a/GameData/RealismOverhaul/Engine_Configs/Aerobee_Config.cfg b/GameData/RealismOverhaul/Engine_Configs/Aerobee_Config.cfg
index ed478e3a0e..e2a0d61cb5 100644
--- a/GameData/RealismOverhaul/Engine_Configs/Aerobee_Config.cfg
+++ b/GameData/RealismOverhaul/Engine_Configs/Aerobee_Config.cfg
@@ -21,7 +21,24 @@
 //	Ignitions: 1
 //	=================================================================================
 //	XASR-1
-//	Aerobee 100
+//	Aerobee 100, RTV-N-8a1
+//
+//	Dry Mass: 10.4 Kg
+//	Thrust (SL): 11.565 kN
+//	Thrust (Vac): ??? kN
+//	ISP: 200 SL / 235.44 Vac
+//	Burn Time: 40
+//	Chamber Pressure: 2.28 MPa
+//	Propellant: IRNFA / Aniline-Furfuryl Alcohol mix (ANFA37)
+//	By mass: 62.6% Aniline, 37.4% Furfuryl. By Volume: 65% Aniline, 35% Furfuryl. Represent with Aniline37
+//	Prop Ratio: 2.56	4.35 seems obviously wrong, setting to 2.56 due to lack of any better source
+//	Throttle: N/A
+//	Nozzle Ratio: 5.1
+//	Ignitions: 1
+//	=================================================================================
+//	XASR-2
+//	RTV-N-10
+//	identical to XASR-1, but with helium pressurization
 //
 //	Dry Mass: 10.4 Kg
 //	Thrust (SL): 11.565 kN
@@ -201,6 +218,59 @@
 			}
 		}
 		CONFIG
+		{
+			// source for some: http://www.designation-systems.net/dusrm/n-2.html
+			// More info: http://rasaero.com/dloads/The%20Aerobee%20Sounding%20Rockets.pdf
+			name = XASR-2
+			description = Improved XASR-1 with helium pressurization to improve performance.
+			specLevel = operational
+			maxThrust = 13.7628
+			minThrust = 13.7628
+			heatProduction = 40
+			autoVariationScale = 1.25
+			
+			PROPELLANT
+			{
+				name = ANFA37
+				ratio = 0.3660
+				DrawGauge = True
+			}
+			PROPELLANT
+			{
+				ratio = 0.6340
+				name = IRFNA-III
+			}
+
+			PROPELLANT
+			{
+				name = Helium
+				ratio = 34.2
+				ignoreForIsp = true
+			}
+			atmosphereCurve
+			{
+				// Calculated from known Pc, AR, sl Isp
+				key = 0 235.44
+				key = 1 200
+			}
+			massMult = 1.3
+			
+			ullage = True
+			ignitions = 1
+			pressureFed = True
+
+			TESTFLIGHT:NEEDS[TestLite|TestFlight]
+			{
+				ratedBurnTime = 40
+				ignitionReliabilityStart = 0.95
+				ignitionReliabilityEnd = 0.98
+				cycleReliabilityStart = 0.95
+				cycleReliabilityEnd = 0.96
+
+				techTransfer = XASR-1,WAC-Corporal:50
+			}
+		}
+		CONFIG
 		{
 			name = AJ10-27
 			description = Developed as an upgrade to the XASR-1. Continued to be used until the 1980s for meteorlogical studies.
@@ -248,7 +318,7 @@
 				cycleReliabilityStart = 0.95
 				cycleReliabilityEnd = 0.96
 
-				techTransfer = XASR-1,WAC-Corporal:50
+				techTransfer = XASR-2,XASR-1,WAC-Corporal:50
 			}
 		}
 	}