diff --git a/data/scene/debugglobe/debugglobe.mod b/data/scene/debugglobe/debugglobe.mod
index 8214df2753..dcd24117bf 100644
--- a/data/scene/debugglobe/debugglobe.mod
+++ b/data/scene/debugglobe/debugglobe.mod
@@ -23,8 +23,9 @@ return {
             Frame = "IAU_EARTH",
             Body = "EARTH",
             --Radii = {6378137.0, 6378137.0, 6356752.314245}, -- Earth's radii
+            Radii = {1738100, 1738100, 1736000}, -- Moon's radii
             --Radii = {3396190.0, 3396190.0, 3376200.0}, -- Mars' radii
-            Radii =   {2439700.0, 2439700.0, 2439700.0},
+            --Radii =   {2439700.0, 2439700.0, 2439700.0},
             CameraMinHeight = 1000,
             InteractionDepthBelowEllipsoid = 10000, -- Useful when having negative height map values
             SegmentsPerPatch = 90,
@@ -69,6 +70,7 @@ return {
                         FilePath = "textures/Mars_Viking_ClrMosaic_global_925m_longlat.cub",
                         --Enabled = true,
                     },
+                    --[[
                     {
                         Name = "On Mercury Color",
                         FilePath = "map_service_configs/mercury/OnMercuryColor.xml",
@@ -77,12 +79,18 @@ return {
                         Name = "On Mercury Image",
                         FilePath = "map_service_configs/mercury/OnMercuryImage.xml",
                     },
+                    ]]
                 },
                 GrayScaleOverlays = {
                     {
                         Name = "CTX Mosaic",
                         FilePath = "map_service_configs/mars/CTX_Mosaic.xml",
                     },
+                    {
+                        Name = "On Moon Color",
+                        FilePath = "map_service_configs/moon/OnMoonColor.xml",
+                        Enabled = true,
+                    },
                 },
                 NightTextures = {
                     {
@@ -99,11 +107,16 @@ return {
                     {
                         Name = "Mola Elevation",
                         FilePath = "map_service_configs/mars/Mola_Elevation.xml",
+                        --Enabled = true,
+                    },
+                    {
+                        Name = "On Moon Height",
+                        FilePath = "map_service_configs/moon/OnMoonHeight.xml",
+                        Enabled = true,
                     },
                     {
                         Name = "On Mercury Height",
                         FilePath = "map_service_configs/mercury/OnMercuryElevationGaskell.xml",
-                        Enabled = true,
                     }
                 },
                 WaterMasks = {
diff --git a/data/scene/debugglobe/map_service_configs/moon/OnMoonColor.xml b/data/scene/debugglobe/map_service_configs/moon/OnMoonColor.xml
new file mode 100644
index 0000000000..5ba619a141
--- /dev/null
+++ b/data/scene/debugglobe/map_service_configs/moon/OnMoonColor.xml
@@ -0,0 +1,65 @@
+<GDAL_WMS>
+    <Service name="TiledWMS">
+        <ServerUrl>http://onmoon.lmmp.nasa.gov/wms.cgi?</ServerUrl>
+        <TiledGroupName>LRO WAC Mosaic, LMMP</TiledGroupName>
+
+        <!--
+            Clementine LO Hybrid, LMMP
+            Clementine Mosaic, LMMP
+            LRO WAC Mosaic, LMMP
+            LOLA v2, LMMP
+            LOLA Shade v2, LMMP
+            LOLA ClrShade v2, LMMP
+            LOLA v4, LMMP
+            LOLA v4 Coverage, LMMP
+            LOLA v4 NoData Mask, LMMP
+            LOLA Shade v4, LMMP
+            LOLA ClrShade v4, LMMP
+            Apollo 15, LMMP
+            Apollo 15 DEM Grayscale, LMMP
+            Apollo 15 HillShade, LMMP
+            Apollo 15 Colorized HillShade, LMMP
+            Apollo 15 Colorized Confidence, LMMP
+            Apollo 16 image, LMMP
+            Apollo 16 DEM Grayscale, LMMP
+            Apollo 16 HillShade, LMMP
+            Apollo 16 Colorized HillShade, LMMP
+            Apollo 16 Colorized Confidence, LMMP
+            Apollo 17 image Old, LMMP
+            Apollo 17 image, LMMP
+            Apollo 17 DEM Grayscale, LMMP
+            Apollo 17 HillShade, LMMP
+            Apollo 17 Colorized HillShade, LMMP
+            Apollo 17 Colorized Confidence, LMMP
+            Apollo Zone image, LMMP
+            Apollo Zone image 3033, LMMP
+            Apollo Zone DEM Grayscale, LMMP
+            Apollo Zone HillShade, LMMP
+            Apollo Zone Colorized HillShade, LMMP
+            Apollo Zone Colorized Confidence, LMMP
+            LRO Diviner CF Filled, LMMP
+            LRO Diviner CF, LMMP
+            Clementine Color Ratio, LMMP
+            Clementine Optical Maturity, LMMP
+            Clementine FeO abundance, LMMP
+            Clementine TiO2 abundance, LMMP
+            LP Fe Abundance, colorized, LMMP
+            LP K Abundance, colorized, LMMP
+            LP Th Abundance, colorized, LMMP
+            LP H Abundance, colorized, LMMP
+        -->
+
+    </Service>
+    <DataWindow>
+        <UpperLeftX>-180.0</UpperLeftX>
+        <UpperLeftY>90</UpperLeftY>
+        <LowerRightX>180.0</LowerRightX>
+        <LowerRightY>-90</LowerRightY>
+        <TileLevel>20</TileLevel>
+        <TileCountX>2</TileCountX>
+        <TileCountY>1</TileCountY>
+        <YOrigin>top</YOrigin>
+    </DataWindow>
+    <BlockSizeX>512</BlockSizeX>
+    <BlockSizeY>512</BlockSizeY>
+</GDAL_WMS>
\ No newline at end of file
diff --git a/data/scene/debugglobe/map_service_configs/moon/OnMoonHeight.xml b/data/scene/debugglobe/map_service_configs/moon/OnMoonHeight.xml
new file mode 100644
index 0000000000..4c19299b75
--- /dev/null
+++ b/data/scene/debugglobe/map_service_configs/moon/OnMoonHeight.xml
@@ -0,0 +1,21 @@
+<GDAL_WMS>
+    <Service name="TiledWMS">
+        <ServerUrl>http://onmoon.lmmp.nasa.gov/raw/wms.cgi?</ServerUrl>
+        <TiledGroupName>Lunar Elevation v2, half meters</TiledGroupName>
+        <!-- 
+            Lunar Elevation v2
+        -->
+    </Service>
+    <DataWindow>
+        <UpperLeftX>-180.0</UpperLeftX>
+        <UpperLeftY>90</UpperLeftY>
+        <LowerRightX>180.0</LowerRightX>
+        <LowerRightY>-90</LowerRightY>
+        <TileLevel>24</TileLevel>
+        <TileCountX>2</TileCountX>
+        <TileCountY>1</TileCountY>
+        <YOrigin>top</YOrigin>
+    </DataWindow>
+    <BlockSizeX>512</BlockSizeX>
+    <BlockSizeY>512</BlockSizeY>
+</GDAL_WMS>
\ No newline at end of file
diff --git a/modules/globebrowsing/shaders/texturetilemapping.hglsl b/modules/globebrowsing/shaders/texturetilemapping.hglsl
index b906211ae5..d455b93a59 100644
--- a/modules/globebrowsing/shaders/texturetilemapping.hglsl
+++ b/modules/globebrowsing/shaders/texturetilemapping.hglsl
@@ -216,9 +216,9 @@ vec4 calculateGrayScaleOverlay(
 	const vec4 currentColor,
 	const vec2 uv,
 	LevelWeights levelWeights,
-	const Tile grayscaleOverlayTiles[NUMLAYERS_OVERLAY],
-	const Tile grayscaleOverlayTilesParent1[NUMLAYERS_OVERLAY],
-	const Tile grayscaleOverlayTilesParent2[NUMLAYERS_OVERLAY]) {
+	const Tile grayscaleOverlayTiles[NUMLAYERS_GRAYSCALE_OVERLAY],
+	const Tile grayscaleOverlayTilesParent1[NUMLAYERS_GRAYSCALE_OVERLAY],
+	const Tile grayscaleOverlayTilesParent2[NUMLAYERS_GRAYSCALE_OVERLAY]) {
 
 	vec4 colorGrayScale = vec4(0);
 
@@ -235,7 +235,7 @@ vec4 calculateGrayScaleOverlay(
 			levelWeights.w2 * getTexVal(grayscaleOverlayTilesParent1[#{i}], uv) +
 			levelWeights.w3 * getTexVal(grayscaleOverlayTilesParent2[#{i}], uv);
 
-		colorSample = vec4(colorSample.r, colorSample.r, colorSample.r, colorSample.g);
+		colorSample = vec4(colorSample.r, colorSample.r, colorSample.r, 1);
 		colorGrayScale = blendOver(colorGrayScale, colorSample);
 	}
 	#endfor