diff --git a/data/assets/base.asset b/data/assets/base.asset
index 989f888df3..60d4e207e7 100644
--- a/data/assets/base.asset
+++ b/data/assets/base.asset
@@ -10,8 +10,6 @@ asset.require('scene/solarsystem/sun/glare')
 asset.require('scene/solarsystem/sun/default_layers')
 asset.require('scene/solarsystem/planets/planets')
 asset.require('scene/solarsystem/planets/default_layers')
-asset.require('scene/solarsystem/planets/mars/moons/phobos')
-asset.require('scene/solarsystem/planets/mars/moons/deimos')
 asset.require('scene/solarsystem/dwarf_planets/pluto/system')
 asset.require('scene/solarsystem/dwarf_planets/pluto/default_layers')
 asset.require('scene/solarsystem/dwarf_planets/pluto/charon/default_layers')
diff --git a/data/assets/scene/solarsystem/planets/default_layers.asset b/data/assets/scene/solarsystem/planets/default_layers.asset
index 4fc2b0ada0..37649a9ed0 100644
--- a/data/assets/scene/solarsystem/planets/default_layers.asset
+++ b/data/assets/scene/solarsystem/planets/default_layers.asset
@@ -8,6 +8,8 @@ asset.require('./jupiter/ganymede/default_layers')
 asset.require('./jupiter/io/default_layers')
 
 asset.require('./mars/default_layers')
+asset.require('./mars/moons/layers/colorlayers/deimos_viking')
+asset.require('./mars/moons/layers/colorlayers/phobos_viking')
 
 asset.require('./mercury/default_layers')
 
diff --git a/data/assets/scene/solarsystem/planets/mars/moons/layers/colorlayers/deimos_viking.asset b/data/assets/scene/solarsystem/planets/mars/moons/layers/colorlayers/deimos_viking.asset
new file mode 100644
index 0000000000..a339e5b425
--- /dev/null
+++ b/data/assets/scene/solarsystem/planets/mars/moons/layers/colorlayers/deimos_viking.asset
@@ -0,0 +1,29 @@
+local globeIdentifier = asset.require("./../../deimos").Deimos.Identifier
+
+local layer = {
+    Identifier = "Deimos_Global_Mosaic_USGS",
+    Name = "Deimos Global Mosaic [USGS]",
+    Enabled = true,
+    FilePath = "WMS:https://wms.wr.usgs.gov/cgi-bin/mapserv?map=/maps/mars/deimos_simp_cyl.map&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&LAYERS=Deimos_Simple_Cylindrical_Rasters&SRS=EPSG:4326&BBOX=-180,-90,360,90",
+    Description = [[ This Viking-based cylindrical map of Deimos was created by Philip
+    Stooke with the assistance of Chris Jongkind and Megan Arntz. Control is based on a
+    shape model and mosaic by Peter Thomas and colleagues at Cornell University. Date
+    released 26 October 2001. (Description from URL)]]
+}
+
+asset.onInitialize(function () 
+    openspace.globebrowsing.addLayer(globeIdentifier, "ColorLayers", layer)
+end)
+
+asset.export("layer", layer)
+
+
+asset.meta = {
+    Name = "Deimos Global Mosaic [USGS]",
+    Version = "1.0",
+    Author = "Philip Stooke/NASA",
+    URL = "https://astrowebmaps.wr.usgs.gov/webmapatlas/Layers/maps.html",
+    License = "NASA/PDS",
+    Identifiers = {'Deimos_Global_Mosaic_USGS'}
+
+}
diff --git a/data/assets/scene/solarsystem/planets/mars/moons/layers/colorlayers/phobos_viking.asset b/data/assets/scene/solarsystem/planets/mars/moons/layers/colorlayers/phobos_viking.asset
new file mode 100644
index 0000000000..6a0c5b8d9a
--- /dev/null
+++ b/data/assets/scene/solarsystem/planets/mars/moons/layers/colorlayers/phobos_viking.asset
@@ -0,0 +1,26 @@
+local globeIdentifier = asset.require("./../../phobos").Phobos.Identifier
+
+local layer = {
+    Identifier = "Phobos_Global_Shaded_Relief_USGS",
+    Name = "Phobos Global Shaded Relief [USGS]",
+    Enabled = true,
+    FilePath = "WMS:https://wms.wr.usgs.gov/cgi-bin/mapserv?map=/maps/mars/phobos_simp_cyl.map&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&LAYERS=Phobos_Simple_Cylindrical_Rasters&SRS=EPSG:4326&BBOX=-180,-90,360,90",
+    Description = [[ Viking-base Phobos shaded relief created by USGS.]]
+}
+
+asset.onInitialize(function () 
+    openspace.globebrowsing.addLayer(globeIdentifier, "ColorLayers", layer)
+end)
+
+asset.export("layer", layer)
+
+
+asset.meta = {
+    Name = "Phobos Global Shaded Relief [USGS]",
+    Version = "1.0",
+    Author = "USGS/NASA",
+    URL = "https://astrowebmaps.wr.usgs.gov/webmapatlas/Layers/maps.html",
+    License = "NASA/PDS",
+    Identifiers = {'Phobos_Global_Shaded_Relief_USGS'}
+
+}
diff --git a/data/assets/scene/solarsystem/planets/planets.asset b/data/assets/scene/solarsystem/planets/planets.asset
index d7ea310c0b..2c80f258c5 100644
--- a/data/assets/scene/solarsystem/planets/planets.asset
+++ b/data/assets/scene/solarsystem/planets/planets.asset
@@ -14,6 +14,8 @@ asset.require('./earth/moon/trail')
 
 asset.require('./mars/mars')
 asset.require('./mars/atmosphere')
+asset.require('./mars/moons/phobos')
+asset.require('./mars/moons/deimos')
 
 asset.require('./jupiter/jupiter')
 asset.require('./jupiter/major_moons')