diff --git a/src/lib/components/ShipEdit/Carrier/index.svelte b/src/lib/components/ShipEdit/Carrier/index.svelte
index d219c7c..cb69ac8 100644
--- a/src/lib/components/ShipEdit/Carrier/index.svelte
+++ b/src/lib/components/ShipEdit/Carrier/index.svelte
@@ -21,7 +21,6 @@ import { getContext } from 'svelte';
     export let reqs = {};
 export let squadrons = [];
 
-$: console.log({squadrons})
 const { dispatch } = getContext('ship');
 
 $: dispatch.setCarrierBays(bays);
diff --git a/src/lib/components/ShipEdit/Propulsion/Drive/index.svelte b/src/lib/components/ShipEdit/Propulsion/Drive/index.svelte
index 9af3248..a092b2d 100644
--- a/src/lib/components/ShipEdit/Propulsion/Drive/index.svelte
+++ b/src/lib/components/ShipEdit/Propulsion/Drive/index.svelte
@@ -19,7 +19,6 @@
 
   const ship = getContext("ship");
 
-  console.log( ship.dispatch )
   $: ship.dispatch.setDrive({ rating, advanced });
 </script>
 
diff --git a/src/lib/shipDux/index.js b/src/lib/shipDux/index.js
index 2b18886..bd20867 100644
--- a/src/lib/shipDux/index.js
+++ b/src/lib/shipDux/index.js
@@ -21,13 +21,39 @@ const dux = new Updux({
     initial: {
         reqs: { cost: 0, mass: 10, usedMass: 0 },
     },
-    actions: {},
+    actions: {
+        setShipReqs: null,
+    },
 });
 
 dux.setMutation("setShipMass", (mass) => u({ reqs: { mass } }));
+dux.setMutation('setShipReqs', reqs => u({reqs}));
 
 dux.addReaction(calculateDriveReqs);
 dux.addReaction(ftlReqsReaction);
 dux.addReaction(screensReqsReaction);
 
+dux.addReaction( (store) => (state) => {
+    let cost = 0;
+    let mass = 0;
+
+    let subsystems = Object.values(state);
+
+    while(subsystems.length>0) {
+        const subsystem = subsystems.shift();
+        if( typeof subsystem !== 'object' ) continue;
+
+        if( subsystem.reqs ) {
+            cost += subsystem.reqs.cost;
+            mass += subsystem.reqs.mass;
+        }
+
+        subsystems.push( ...Object.values(subsystem));
+    }
+
+    store.dispatch.setShipReqs({cost,usedMass: mass});
+
+});
+
+
 export default dux;