diff --git a/scripts/expertise/expertise_co_enhanced_stamina_1 b/scripts/expertise/expertise_co_enhanced_stamina_1
new file mode 100644
index 00000000..df042580
--- /dev/null
+++ b/scripts/expertise/expertise_co_enhanced_stamina_1
@@ -0,0 +1,46 @@
+import sys
+
+def addExpertisePoint(core, actor):
+
+	player = actor.getSlottedObject('ghost')
+
+	if not player:
+		return
+
+	if not player.getProfession() == 'commando_1a':
+		return
+
+	actor.addSkill('expertise_co_enhanced_stamina_1')
+
+	actor.addSkillMod('stamina_modified', 25)
+
+	addAbilities(core, actor, player)
+
+	return
+
+def removeExpertisePoint(core, actor):
+
+	player = actor.getSlottedObject('ghost')
+
+	if not player:
+		return
+
+	if not player.getProfession() == 'commando_1a':
+		return
+
+	actor.removeSkill('expertise_co_enhanced_stamina_1')
+
+	actor.removeSkillMod('stamina_modified', 25)
+
+	removeAbilities(core, actor, player)
+
+	return
+
+# this checks what abilities the player gets by level, need to also call this on level-up
+def addAbilities(core, actor, player):
+
+	return
+
+def removeAbilities(core, actor, player):
+
+	return