diff --git a/mission/__init__.py b/mission/__init__.py
index 3d78809..6b324f4 100644
--- a/mission/__init__.py
+++ b/mission/__init__.py
@@ -11,9 +11,10 @@ from lib import get_contract, get_rescuee_vessel, get_body, get_connexion
 
 
 class MissionType(Enum):
-    transport = 1
+    transport_kerbal = 1
     orbit_rescue = 2
     comsat = 3
+    transport_cargo = 4
 
 
 class MissionStatus(Enum):
@@ -37,7 +38,7 @@ class Mission:
 
 
 class TransportMission(Mission):
-    type = MissionType.transport
+    type = MissionType.transport_kerbal
 
     def __init__(self, kerbal_name, destination):
         self.kerbal_name = kerbal_name
diff --git a/mission/station_build.py b/mission/station_build.py
new file mode 100644
index 0000000..c9dcaa6
--- /dev/null
+++ b/mission/station_build.py
@@ -0,0 +1,16 @@
+from . import Mission
+
+
+class StationBuildMission(Mission):
+    pass
+
+
+# Ship part package to LKO
+# if destination not Kerbin:
+#   Transfer part package to Right orbit
+# if station core not in package:
+#   Rendez-vous with station (if station core not in package)
+# separate package
+# for each part:
+#   Determine connection ports and angle
+#   Start docking
\ No newline at end of file