diff --git a/core/GameState.gd b/core/GameState.gd
index 35ea84c..7354e73 100644
--- a/core/GameState.gd
+++ b/core/GameState.gd
@@ -3059,6 +3059,10 @@ func quest_progress(quest: Dictionary) -> Vector2i:
 			return Vector2i(1 if vessel_is_unlocked(String(goal.get("vessel", ""))) else 0, 1)
 		QUESTS.GOAL_RESEARCH:
 			return Vector2i(1 if is_unlocked(String(goal.get("node", ""))) else 0, 1)
+		QUESTS.GOAL_BANKED:
+			var banked: int = int(goal.get("amount", 1))
+			return Vector2i(mini(banked_resource(String(goal.get("resource",
+				RESOURCE_ORE))), banked), banked)
 		QUESTS.GOAL_EXPLORE:
 			var sectors: int = int(goal.get("sectors", 1))
 			return Vector2i(mini(explored_chunks.size(), sectors), sectors)
diff --git a/core/Quests.gd b/core/Quests.gd
index 4a0a8e7..80143af 100644
--- a/core/Quests.gd
+++ b/core/Quests.gd
@@ -41,6 +41,10 @@ const GOAL_CONQUERED: String = "conquered"
 # put a crafter down"), which asks the player to do two unrelated things -
 # open a menu they have never opened, and place a structure - off one line.
 const GOAL_RESEARCH: String = "research"
+# #156: what is in the BANK, which is a different question from what the
+# player can lay hands on. GOAL_RESOURCE counts the hold as well, and the
+# hold is exactly what this quest is about being too small.
+const GOAL_BANKED: String = "banked"
 
 const CHAIN: Array = [
 	{
@@ -127,6 +131,18 @@ const CHAIN: Array = [
 		# else in the game does.
 		"done": "Planet secured. Their equipment reads out as research data - the first we have had. Every doctrine worth having is going to cost some.",
 	},
+	{
+		# #156: the extractor is the first thing the chain asks for that
+		# cannot be paid for out of a single hold. An interceptor carries 20
+		# and the fleet is small; the mothership is where anything larger
+		# than one trip has to accumulate, and nothing had ever said so.
+		"id": "deposit",
+		"title": "THE HOLD IS SMALL",
+		"objective": "Bank 60 ore at the mothership",
+		"goal": {"kind": GOAL_BANKED, "resource": "ore", "amount": 60},
+		"brief": "Every hull out here carries twenty and no more, and we are going to need more than twenty. Fly what we have back to the mothership and unload it - what is stored there is not carried by anyone.",
+		"done": "Sixty banked. The hold empties, the vault does not - that is the difference, and everything from here on depends on it.",
+	},
 	{
 		"id": "extractor",
 		"title": "STANDING MINE",