diff --git a/strix/interface/main.py b/strix/interface/main.py
index 063dc10d..fbaea976 100644
--- a/strix/interface/main.py
+++ b/strix/interface/main.py
@@ -292,6 +292,13 @@ def parse_arguments() -> argparse.Namespace:
         help="Custom name for this penetration test run",
     )
 
+    parser.add_argument(
+        "-r",
+        "--reuse-container",
+        action="store_true",
+        help="Reuse Docker container that already has this run-name (skip pull/copy). 'strix-scan-<run-name>'.",
+    )
+
     parser.add_argument(
         "-n",
         "--non-interactive",
@@ -447,6 +454,23 @@ def main() -> None:
     args = parse_arguments()
 
     check_docker_installed()
+
+   if args.run_name:
+        container_name = f"strix-scan-{args.run_name}"
+        try:
+            import docker
+            client = docker.from_env()
+            duplicates = client.containers.list(all=True, filters={"name": f"^{container_name}$"})
+            if duplicates and not args.reuse_container:
+                print(
+                    f"\n[!] A container named '{container_name}' already exists.\n"
+                    f"    Use --reuse-container (-r) to run on the existing container,\n"
+                    f"    or choose a different --run-name.\n"
+                )
+                sys.exit(1)
+        except Exception:
+            pass
+
     pull_docker_image()
 
     validate_environment()
diff --git a/strix/interface/utils.py b/strix/interface/utils.py
index 8faba593..fbba5004 100644
--- a/strix/interface/utils.py
+++ b/strix/interface/utils.py
@@ -136,8 +136,8 @@ def generate_run_name() -> str:
     # fmt: on
     adj = secrets.choice(adjectives)
     noun = secrets.choice(nouns)
-    number = secrets.randbelow(900) + 100
-    return f"{adj}-{noun}-{number}"
+    timestamp = int(time.time() * 1_000)
+    return f"{adj}-{noun}-{timestamp}"
 
 
 # Target processing utilities