diff --git a/TODO.txt b/TODO.txt
index 5d9c318da..f3f3bd358 100644
--- a/TODO.txt
+++ b/TODO.txt
@@ -193,12 +193,10 @@
 * destroyer can capture trade ships DONE 11/22/2024
 * have bots recapture after nuclear blast DONE 11/24/2022
 * BUG: destroys destroy trade ships instead of capturing them DONE 11/25/2024
-* nukes break alliance
+* nukes break alliance DONE 11/25/2024
 * don't capture trade ships if allied with either port
 * make ports cost more for more ports
-* BUG: Destroyers destroy instead of capture trade ships
 * NPC has relations
-* make NPC difficult scale better (not just start troops)
 * add battleship
 * add defense post
 * add radiation from nuke
diff --git a/src/core/configuration/DefaultConfig.ts b/src/core/configuration/DefaultConfig.ts
index fc68b8816..1e3690837 100644
--- a/src/core/configuration/DefaultConfig.ts
+++ b/src/core/configuration/DefaultConfig.ts
@@ -12,7 +12,7 @@ export class DefaultConfig implements Config {
     }
     tradeShipGold(src: Unit, dst: Unit): Gold {
         const dist = manhattanDist(src.tile().cell(), dst.tile().cell())
-        return 10000 + 50 * dist
+        return 10000 + 50 * Math.pow(dist, 1.1)
     }
     unitInfo(type: UnitType): UnitInfo {
         switch (type) {
@@ -23,7 +23,7 @@ export class DefaultConfig implements Config {
                 }
             case UnitType.Destroyer:
                 return {
-                    cost: () => 250_000,
+                    cost: (p: Player) => (p.units(UnitType.Destroyer).length + 1) * 250_000,
                     territoryBound: false
                 }
             case UnitType.Port:
@@ -48,7 +48,7 @@ export class DefaultConfig implements Config {
                 }
             case UnitType.MissileSilo:
                 return {
-                    cost: () => 2_500_000,
+                    cost: () => 1_000_000,
                     territoryBound: true
                 }
             default:
@@ -207,7 +207,7 @@ export class DefaultConfig implements Config {
     }
 
     goldAdditionRate(player: Player): number {
-        return Math.sqrt(player.workers() * player.numTilesOwned()) / 250
+        return Math.sqrt(player.workers() * player.numTilesOwned()) / 200
     }
 
     troopAdjustmentRate(player: Player): number {
diff --git a/src/core/configuration/DevConfig.ts b/src/core/configuration/DevConfig.ts
index fddd18524..18067a883 100644
--- a/src/core/configuration/DevConfig.ts
+++ b/src/core/configuration/DevConfig.ts
@@ -5,7 +5,7 @@ export const devConfig = new class extends DefaultConfig {
     unitInfo(type: UnitType): UnitInfo {
         const info = super.unitInfo(type)
         const oldCost = info.cost
-        info.cost = (p: Player) => oldCost(p) / 100
+        // info.cost = (p: Player) => oldCost(p) / 100
         return info
     }
 
diff --git a/src/core/game/PlayerImpl.ts b/src/core/game/PlayerImpl.ts
index d69498502..f453d922e 100644
--- a/src/core/game/PlayerImpl.ts
+++ b/src/core/game/PlayerImpl.ts
@@ -332,9 +332,10 @@ export class PlayerImpl implements MutablePlayer {
     }
 
     buildUnit(type: UnitType, troops: number, spawnTile: Tile): UnitImpl {
+        const cost = this.gs.unitInfo(type).cost(this)
         const b = new UnitImpl(type, this.gs, spawnTile, troops, this);
         this._units.push(b);
-        this.removeGold(this.gs.unitInfo(type).cost(this))
+        this.removeGold(cost)
         this.removeTroops(troops)
         this.gs.fireUnitUpdateEvent(b, b.tile());
         return b;