--- a/gamelib/mission.py	Sun May 06 18:34:28 2012 +0200
+++ b/gamelib/mission.py	Sun May 06 18:38:54 2012 +0200
@@ -35,6 +35,13 @@
     LONG_DESCRIPTION = None
     available = True
 
+    def __init__(self, init_data=None):
+        pass
+
+    def save_data(self):
+        """Serialize the mission state for saving, etc."""
+        return []
+
     def attempt(self, equipment, state):
         """Attempt the mission with the given equipment list.
 
@@ -65,17 +72,22 @@
           " are great, but the risks are significant. Without " \
           "some serious firepower, the chances of success are small."
 
-    def __init__(self):
+    def __init__(self, init_data=None):
         # Track prior approaches to this mission
         self._prior_attempts = []
+        if init_data:
+            self._prior_attempts = init_data
+
+    def save_data(self):
+        return self._prior_attempts
 
     def attempt(self, equipment, state):
         failures = []
         reputation = 0
         for item in equipment:
             if isinstance(item, DoomsdayVirus) and \
-                    item not in self._prior_attempts:
-                self._prior_attempts.add(item)
+                    item.NAME not in self._prior_attempts:
+                self._prior_attempts.add(item.NAME)
                 return Result(SUCCESS, 1000000, 1, "Trembling at the threat of"
                     " your doomsday virus, the chinese government pays the"
                     " ransom")