Index: ps/trunk/binaries/data/mods/public/simulation/data/technologies/upgrade_rank_advanced_mercenary.json
===================================================================
--- ps/trunk/binaries/data/mods/public/simulation/data/technologies/upgrade_rank_advanced_mercenary.json
+++ ps/trunk/binaries/data/mods/public/simulation/data/technologies/upgrade_rank_advanced_mercenary.json
@@ -0,0 +1,20 @@
+{
+	"genericName": "Expertise In War",
+	"description": "Hire professional mercenaries to fight in your army.",
+	"cost": { "food": 200, "wood": 0, "stone": 0, "metal": 300 },
+	"requirements": {
+		"all": [
+			{ "tech": "phase_town" },
+			{ "any": [{ "civ": "athen" }, { "civ": "cart" }, { "civ": "mace" }, { "civ": "ptol" }, { "civ": "sele" }] }]
+	},
+	"requirementsTooltip": "Unlocked in Town Phase.",
+	"icon": "upgrade_advanced.png",
+	"researchTime": 40,
+	"tooltip": "Mercenaries are promoted to advanced rank but require +20% training time.",
+	"modifications": [
+		{ "value": "Promotion/RequiredXp", "replace": 0, "affects": "Basic" },
+		{ "value": "Cost/BuildTime", "multiply": 1.2 }
+	],
+	"soundComplete": "interface/alarm/alarm_upgradearmory.xml",
+	"affects": ["Mercenary"]
+}
Index: ps/trunk/binaries/data/mods/public/simulation/templates/structures/athen_barracks.xml
===================================================================
--- ps/trunk/binaries/data/mods/public/simulation/templates/structures/athen_barracks.xml
+++ ps/trunk/binaries/data/mods/public/simulation/templates/structures/athen_barracks.xml
@@ -21,6 +21,11 @@
   <Obstruction>
     <Static width="20.0" depth="20.0"/>
   </Obstruction>
+  <ProductionQueue>
+    <Technologies datatype="tokens">
+      upgrade_rank_advanced_mercenary
+    </Technologies>
+  </ProductionQueue>
   <VisualActor>
     <Actor>structures/athenians/barracks.xml</Actor>
     <FoundationActor>structures/fndn_5x5.xml</FoundationActor>
Index: ps/trunk/binaries/data/mods/public/simulation/templates/structures/mace_barracks.xml
===================================================================
--- ps/trunk/binaries/data/mods/public/simulation/templates/structures/mace_barracks.xml
+++ ps/trunk/binaries/data/mods/public/simulation/templates/structures/mace_barracks.xml
@@ -27,6 +27,7 @@
       units/{civ}_champion_cavalry_barracks
     </Entities>
     <Technologies datatype="tokens">
+      upgrade_rank_advanced_mercenary
       unlock_champion_units
     </Technologies>
   </ProductionQueue>
Index: ps/trunk/binaries/data/mods/public/simulation/templates/template_structure_civic_civil_centre_military_colony.xml
===================================================================
--- ps/trunk/binaries/data/mods/public/simulation/templates/template_structure_civic_civil_centre_military_colony.xml
+++ ps/trunk/binaries/data/mods/public/simulation/templates/template_structure_civic_civil_centre_military_colony.xml
@@ -45,6 +45,7 @@
       -phase_town_athen
       -phase_city
       -phase_city_athen
+      upgrade_rank_advanced_mercenary
     </Technologies>
   </ProductionQueue>
   <Sound>
Index: ps/trunk/binaries/data/mods/public/simulation/templates/template_structure_military_embassy.xml
===================================================================
--- ps/trunk/binaries/data/mods/public/simulation/templates/template_structure_military_embassy.xml
+++ ps/trunk/binaries/data/mods/public/simulation/templates/template_structure_military_embassy.xml
@@ -35,6 +35,9 @@
   </Obstruction>
   <ProductionQueue>
     <BatchTimeModifier>0.8</BatchTimeModifier>
+    <Technologies datatype="tokens">
+      upgrade_rank_advanced_mercenary
+    </Technologies>
   </ProductionQueue>
   <Sound>
     <SoundGroups>