diff --git a/gen/fleet/carrier_group.py b/gen/fleet/carrier_group.py
index 30cffdaa..3951d093 100644
--- a/gen/fleet/carrier_group.py
+++ b/gen/fleet/carrier_group.py
@@ -23,11 +23,12 @@ class CarrierGroupGenerator(GroupGenerator):
             return
 
         # Add destroyers escort
-        dd_type = random.choice(self.faction["destroyer"])
-        self.add_unit(dd_type, "DD1", self.position.x + 250, self.position.y + 450, self.heading)
-        self.add_unit(dd_type, "DD2", self.position.x + 250, self.position.y - 450, self.heading)
+        if "destroyer" in self.faction.keys():
+            dd_type = random.choice(self.faction["destroyer"])
+            self.add_unit(dd_type, "DD1", self.position.x + 250, self.position.y + 450, self.heading)
+            self.add_unit(dd_type, "DD2", self.position.x + 250, self.position.y - 450, self.heading)
 
-        self.add_unit(dd_type, "DD3", self.position.x + 450, self.position.y + 850, self.heading)
-        self.add_unit(dd_type, "DD4", self.position.x + 450, self.position.y - 850, self.heading)
+            self.add_unit(dd_type, "DD3", self.position.x + 450, self.position.y + 850, self.heading)
+            self.add_unit(dd_type, "DD4", self.position.x + 450, self.position.y - 850, self.heading)
 
         self.get_generated_group().points[0].speed = 20
\ No newline at end of file