diff --git a/GameState.gd b/GameState.gd
index db77793..03c35e4 100644
--- a/GameState.gd
+++ b/GameState.gd
@@ -670,6 +670,9 @@ func outstanding_cost(id: int) -> int:
 		# A started build has already paid, so it is not still owed.
 		if not bool(o.started):
 			need += product_cost(String(o.product))
+	for order in b.get("research_orders", []):
+		if not bool(order.started):
+			need += research_cost(String(order.id))
 	return maxi(need - _inventory_for_record(b).amount(RESOURCE_ORE), 0)
 
 
@@ -771,6 +774,11 @@ func lab_research_order(lab_id: int) -> Dictionary:
 	return {} if orders.is_empty() else orders[0]
 
 
+func research_cost(id: String) -> int:
+	var unlock_definition: Resource = vessel_for_unlock(id)
+	return unlock_definition.unlock_cost if unlock_definition != null else upgrade_cost(id)
+
+
 func _advance_lab_research(delta: float) -> void:
 	for lab in buildings:
 		if not building_has_capability(lab, "vessel_research"):
@@ -781,7 +789,7 @@ func _advance_lab_research(delta: float) -> void:
 		var order: Dictionary = orders[0]
 		var id: String = String(order.id)
 		var unlock_definition: Resource = vessel_for_unlock(id)
-		var cost: int = unlock_definition.unlock_cost if unlock_definition != null else upgrade_cost(id)
+		var cost: int = research_cost(id)
 		var inventory: RefCounted = _inventory_for_record(lab)
 		if not bool(order.started):
 			if inventory.amount(RESOURCE_ORE) < cost:
diff --git a/IconButton.gd b/IconButton.gd
index ace39c6..ef5b378 100644
--- a/IconButton.gd
+++ b/IconButton.gd
@@ -29,6 +29,7 @@ enum Icon {
 	GAS,
 	LEFT_ARROW, RIGHT_ARROW,
 	MINUS, PLUS,
+	SHIELD_VESSEL,
 }
 
 # Size the glyphs were originally drawn against. Every glyph dimension is
@@ -213,6 +214,8 @@ func _draw() -> void:
 			_draw_minus(center, pulse, s)
 		Icon.PLUS:
 			_draw_plus(center, pulse, s)
+		Icon.SHIELD_VESSEL:
+			_draw_shield_vessel(center, pulse, s)
 
 
 func _draw_close(center: Vector2, pulse: float, s: float) -> void:
@@ -229,6 +232,14 @@ func _draw_ship(center: Vector2, pulse: float, s: float) -> void:
 	NeonDraw.draw_glowing_polygon(self, points, _active_color(), pulse, core_color)
 
 
+func _draw_shield_vessel(center: Vector2, pulse: float, s: float) -> void:
+	var points: PackedVector2Array = PackedVector2Array()
+	for i in range(6):
+		var angle: float = -PI / 2.0 + float(i) * TAU / 6.0
+		points.append(center + Vector2(cos(angle), sin(angle)) * 11.0 * s)
+	NeonDraw.draw_glowing_polygon(self, points, _active_color(), pulse, core_color)
+
+
 func _draw_arrow(center: Vector2, pulse: float, direction: float, s: float) -> void:
 	var r: float = 9.0 * s
 	var tip: Vector2 = center + Vector2(0, r * direction)
diff --git a/ShieldVesselDefinition.tres b/ShieldVesselDefinition.tres
index c2d04a9..26db397 100644
--- a/ShieldVesselDefinition.tres
+++ b/ShieldVesselDefinition.tres
@@ -1,6 +1,5 @@
-[gd_resource type="Resource" script_class="VesselDefinition" load_steps=7 format=3]
+[gd_resource type="Resource" script_class="VesselDefinition" load_steps=6 format=3]
 [ext_resource type="Script" path="res://VesselDefinition.gd" id="1"]
-[ext_resource type="PackedScene" path="res://VesselWeaponComponent.tscn" id="2"]
 [ext_resource type="PackedScene" path="res://VesselShieldComponent.tscn" id="3"]
 [ext_resource type="Resource" path="res://ShieldHitsUpgrade.tres" id="4"]
 [ext_resource type="Resource" path="res://ShieldRechargeUpgrade.tres" id="5"]
@@ -12,10 +11,11 @@ display_name = "Shield Vessel"
 description = "Combat vessel whose rechargeable personal shield absorbs lethal impacts."
 build_cost = 14
 build_time = 16.0
-icon = 2
+icon = 30
 glow_color = Color(0.45, 0.8, 1, 1)
-capabilities = PackedStringArray("weapon", "shield")
-component_scenes = Array[PackedScene]([ExtResource("2"), ExtResource("3")])
+capabilities = PackedStringArray("shield")
+component_scenes = Array[PackedScene]([ExtResource("3")])
+hull_points = PackedVector2Array(0, -24, 20.7846, -12, 20.7846, 12, 0, 24, -20.7846, 12, -20.7846, -12)
 base_stats = {"damage": 1.0, "fire_cooldown": 0.5, "fire_range": 320.0, "max_speed": 460.0, "acceleration": 450.0, "shield_charges": 1.0, "shield_recharge": 6.0, "delivery_speed": 180.0}
 minimum_stats = {"shield_recharge": 2.0}
 upgrades = Array[Resource]([ExtResource("4"), ExtResource("5"), ExtResource("6")])
diff --git a/tests/test_lab_transporter_delivery.gd b/tests/test_lab_transporter_delivery.gd
new file mode 100644
index 0000000..0096fe7
--- /dev/null
+++ b/tests/test_lab_transporter_delivery.gd
@@ -0,0 +1,46 @@
+extends SceneTree
+
+var state: Node
+var lab_id: int
+var elapsed: float = 0.0
+
+
+func _initialize() -> void:
+	state = root.get_node("GameState")
+	state.buildings.clear()
+	state.extractors.clear()
+	state.transporters.clear()
+	state.reset_progression()
+	state.rocks = 100
+	state.build_time_scale = 0.02
+	state.add_building(state.BUILDING_MOTHERSHIP, Vector2.ZERO)
+	var hub_id: int = state.add_building(state.BUILDING_TRANSPORT_HUB, Vector2(50, 0))
+	lab_id = state.add_building(state.BUILDING_SHIP_LAB, Vector2(100, 0))
+	state.transporters.append({"hub_id": hub_id, "state": state.TRANSPORTER_IDLE,
+		"target_id": 0, "extractor_index": -1, "carrying": 0, "progress": 1.0,
+		"from": Vector2(50, 0), "to": Vector2(50, 0)})
+	if not state.queue_lab_research(lab_id, "int_damage"):
+		return _fail("could not queue lab research")
+	if state.outstanding_cost(lab_id) != state.upgrade_cost("int_damage"):
+		return _fail("queued research did not expose its ore demand")
+
+
+func _process(delta: float) -> bool:
+	elapsed += delta
+	if state.upgrade_level("int_damage") == 1:
+		if state.lab_research_order(lab_id).is_empty():
+			print("transporter supplied queued lab research end to end")
+			print("TEST_LAB_TRANSPORTER_DELIVERY: PASS")
+			quit(0)
+			return true
+	if elapsed > 5.0:
+		return _fail("lab still waiting: demand=%d transporter=%s stock=%d" % [
+			state.outstanding_cost(lab_id), state.transporters[0].state,
+			state.building_stock(lab_id)])
+	return false
+
+
+func _fail(message: String) -> bool:
+	print("TEST_LAB_TRANSPORTER_DELIVERY: FAIL (%s)" % message)
+	quit(1)
+	return true
diff --git a/tests/test_lab_transporter_delivery.gd.uid b/tests/test_lab_transporter_delivery.gd.uid
new file mode 100644
index 0000000..ecf12ff
--- /dev/null
+++ b/tests/test_lab_transporter_delivery.gd.uid
@@ -0,0 +1 @@
+uid://dmw83vfmot52d
diff --git a/tests/test_vessel_composition.gd b/tests/test_vessel_composition.gd
index f25f447..f70f99c 100644
--- a/tests/test_vessel_composition.gd
+++ b/tests/test_vessel_composition.gd
@@ -37,6 +37,10 @@ func _process(delta: float) -> bool:
 			return _fail("%s metadata did not come from its definition" % definition.definition_id)
 	if ships[0].has_capability("shield") or not ships[1].has_capability("shield"):
 		return _fail("shield behavior is not controlled by component presence")
+	if (ships[1].has_capability("weapon")
+			or definitions[1].hull_points.size() != 6
+			or definitions[1].icon != IconButton.Icon.SHIELD_VESSEL):
+		return _fail("shield vessel is not an unarmed hexagon")
 	if ships[2].has_capability("weapon") or not ships[2].has_capability("transport"):
 		return _fail("transporter capabilities were composed incorrectly")
 	print("TEST_VESSEL_COMPOSITION: PASS")