diff --git a/ecs_composex/common/stacks/__init__.py b/ecs_composex/common/stacks/__init__.py
index 7baa33f1..2f375e6b 100644
--- a/ecs_composex/common/stacks/__init__.py
+++ b/ecs_composex/common/stacks/__init__.py
@@ -285,6 +285,13 @@ def set_vpc_parameters_from_vpc_stack(
             APP_SUBNETS,
         ]
         add_parameters(self.stack_template, default_parameters)
+        print(
+            "STACK TEMPLATE?",
+            self.stack_template,
+            type(self.stack_template),
+            self.stack_template.parameters,
+        )
+        print("ADDED DEFAULT PARAMS")
         if (
             self.parent_stack
             and self.parent_stack is not None
diff --git a/ecs_composex/ecs/ecs_family/__init__.py b/ecs_composex/ecs/ecs_family/__init__.py
index 957ac4c2..b49ed2ad 100644
--- a/ecs_composex/ecs/ecs_family/__init__.py
+++ b/ecs_composex/ecs/ecs_family/__init__.py
@@ -300,15 +300,20 @@ def generate_outputs(self):
         """
         Generates a list of CFN outputs for the ECS Service and Task Definition
         """
-        if self.service_networking.security_group:
+        if (
+            self.service_compute.launch_type != "EXTERNAL"
+            and self.service_networking.security_group
+        ):
             self.outputs.append(
                 CfnOutput(
                     f"{self.logical_name}GroupId",
                     Value=Ref(self.service_networking.security_group.parameter.title),
                 )
             )
-        if self.service_networking.subnets_output and isinstance(
-            self.service_networking.subnets_output, Ref
+        if (
+            self.service_networking.subnets_output
+            and isinstance(self.service_networking.subnets_output, Ref)
+            and self.service_compute.launch_type != "EXTERNAL"
         ):
             self.outputs.append(
                 CfnOutput(