diff --git a/ghcidOutput b/ghcidOutput
index 2ba7a7edb..a6f7b5561 100644
--- a/ghcidOutput
+++ b/ghcidOutput
@@ -1,8 +1,12 @@
-/home/justin/Haskell/loop/src/Dodge/Data/Item/Use/Consumption/Ammo.hs:53:27-44: error:
-    • Not in scope: type constructor or class ‘ProjectileCreate’
-      Perhaps you meant one of these:
-        ‘ProjectileUpdate’ (line 21), ‘ProjectileDraw’ (line 18)
-    • In the Template Haskell quotation ''ProjectileCreate
+/home/justin/Haskell/loop/src/Dodge/Item/Display.hs:(109,28)-(121,21): warning: [-Wincomplete-patterns]
+    Pattern match(es) are non-exhaustive
+    In a case alternative: Patterns not matched: TargetingUse _ _ _
+    |
+109 | itemNumberDisplay cr itm = case iu of
+    |                            ^^^^^^^^^^...
+/home/justin/Haskell/loop/src/Dodge/Creature/Impulse/UseItem.hs:(36,22)-(46,19): warning: [-Wincomplete-patterns]
+    Pattern match(es) are non-exhaustive
+    In a case alternative: Patterns not matched: TargetingUse _ _ _
    |
-53 | deriveJSON defaultOptions ''ProjectileCreate
-   |                           ^^^^^^^^^^^^^^^^^^
+36 | itemEffect cr it w = case it ^. ldtValue . itUse of
+   |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^...
diff --git a/src/Dodge/Creature.hs b/src/Dodge/Creature.hs
index 8d63d0552..d75b1c645 100644
--- a/src/Dodge/Creature.hs
+++ b/src/Dodge/Creature.hs
@@ -240,6 +240,12 @@ inventoryX c = case c of
             ]
     'P' -> [burstRifle , tinMag, bulletSynthesizer]
     'T' -> testInventory
+    'U' ->
+        [ targetingScope TARGETLASER
+        , launcher
+        , megaShellMag
+        , homingModule
+        ]
     _ -> []
 
 testInventory :: [Item]
diff --git a/src/Dodge/Data/ComposedItem.hs b/src/Dodge/Data/ComposedItem.hs
index e2c30dfaa..94cc33318 100644
--- a/src/Dodge/Data/ComposedItem.hs
+++ b/src/Dodge/Data/ComposedItem.hs
@@ -15,6 +15,7 @@ import Dodge.Data.Item
 data ComposeLinkType 
     = AmmoInLink Int AmmoType
     | AmmoModLink
+    | AmmoTargetingLink
     | WeaponScopeLink 
     | WeaponTargetingLink 
     | RemoteScreenLink
@@ -28,15 +29,7 @@ data ItemStructuralFunction
     | RemoteScreenSF
     | UncomposableIsolateSF
     | AmmoModifierSF AmmoType
-    deriving (Eq,Ord,Show,Read)
-
-data ComposedItem = WeaponCI
-    | WeaponScopeCI
-    | WeaponTargetingCI
-    | AmmoModifierCI AmmoType
-    | AmmoCI AmmoType
-    | UncomposableCI
-    | RocketRemoteScreenCI
+    | AmmoTargetingSF AmmoType
     deriving (Eq,Ord,Show,Read)
 
 type PartiallyComposedItem = (Item, ItemStructuralFunction, LinkTest)
@@ -55,6 +48,4 @@ data LinkUpdate = LinkUpdate
 
 makeLenses ''LinkTest
 makeLenses ''LinkUpdate
-makeLenses ''ComposedItem
-deriveJSON defaultOptions ''ComposedItem
 deriveJSON defaultOptions ''ComposeLinkType
diff --git a/src/Dodge/Data/Item/Combine.hs b/src/Dodge/Data/Item/Combine.hs
index baf38aa10..b820f4f96 100644
--- a/src/Dodge/Data/Item/Combine.hs
+++ b/src/Dodge/Data/Item/Combine.hs
@@ -98,8 +98,8 @@ data AttachType
     = ZOOMSCOPE
     | TARGETATTACH {_ibtAttachTarget :: TargetType}
     | BULLETSYNTHESIZER
-    | ROCKETHOMER
     | REMOTESCREEN
+    | HOMINGMODULE
 --    | BULPAYLOADATTACH
 --    | BULTRAJECTORYATTACH
     deriving (Eq, Ord, Show, Read)
diff --git a/src/Dodge/Data/Item/Use.hs b/src/Dodge/Data/Item/Use.hs
index 3c1ceef99..4feac9afd 100644
--- a/src/Dodge/Data/Item/Use.hs
+++ b/src/Dodge/Data/Item/Use.hs
@@ -73,6 +73,11 @@ data ItemUse
         { -- | a camera offset
           _scopeScope :: Scope
         }
+    | TargetingUse
+        { _tgPos :: Maybe Point2
+        , _tgID :: Maybe Int
+        , _tgActive :: Bool
+        }
     deriving (Eq, Show, Read) --Generic, Flat)
 
 data TriggerType
diff --git a/src/Dodge/HeldUse.hs b/src/Dodge/HeldUse.hs
index 9411a44e6..01cabb65d 100644
--- a/src/Dodge/HeldUse.hs
+++ b/src/Dodge/HeldUse.hs
@@ -138,6 +138,7 @@ loadMuzzle t@(LDT _ l _) mz = fromMaybe (t,Nothing) $ do
     (i,(_,mag)) <- findWithIx (isAmmoIntLink as . fst) l
     availableammo <- mag ^? ldtValue . itUse . amagLoadStatus . iaLoaded
     let usedammo = min amamount availableammo
+    guard $ usedammo > 0
     return (t & ldtLeft . ix i . _2 . ldtValue . itUse . amagLoadStatus . iaLoaded -~ usedammo
         , Just (mz, usedammo, mag)
         )
diff --git a/src/Dodge/Item.hs b/src/Dodge/Item.hs
index 7c8d2ebf7..de85e36f8 100644
--- a/src/Dodge/Item.hs
+++ b/src/Dodge/Item.hs
@@ -42,7 +42,8 @@ itemFromAttachType at = case at of
     TARGETATTACH tt -> targetingScope tt
     BULLETSYNTHESIZER -> bulletSynthesizer
     REMOTESCREEN -> remoteScreen
-    ROCKETHOMER -> rocketHomer
+--    ROCKETHOMER -> rocketHomer
+    HOMINGMODULE -> homingModule
 
 
 itemFromConsumableType :: ConsumableItemType -> Item
diff --git a/src/Dodge/Item/Ammo.hs b/src/Dodge/Item/Ammo.hs
index bb29c3d60..5dac0072a 100644
--- a/src/Dodge/Item/Ammo.hs
+++ b/src/Dodge/Item/Ammo.hs
@@ -104,8 +104,3 @@ bulletSynthesizer :: Item
 bulletSynthesizer = defaultHeldItem
     & itType . iyBase .~ ATTACH BULLETSYNTHESIZER
     & itUse .~ AttachUse Nothing
-
-rocketHomer :: Item
-rocketHomer = defaultHeldItem
-    & itType . iyBase .~ ATTACH ROCKETHOMER
-    & itUse .~ AttachUse Nothing
diff --git a/src/Dodge/Item/Display.hs b/src/Dodge/Item/Display.hs
index 3f5c41ad2..ad9121169 100644
--- a/src/Dodge/Item/Display.hs
+++ b/src/Dodge/Item/Display.hs
@@ -77,7 +77,7 @@ showAttachItem t itm = case t of
     TARGETATTACH x -> show x
     BULLETSYNTHESIZER -> "BSYNTH"
     REMOTESCREEN -> "REMOTE SCREEN " ++ show (itm ^? itUse . atLinkedProjectile . _Just)
-    ROCKETHOMER -> "HOMING MOD"
+    HOMINGMODULE -> "HOMING MOD"
 
 showEquipItem :: EquipItemType -> String
 showEquipItem eit = case eit of
diff --git a/src/Dodge/Item/Grammar.hs b/src/Dodge/Item/Grammar.hs
index d593f6502..e7bbcdc13 100644
--- a/src/Dodge/Item/Grammar.hs
+++ b/src/Dodge/Item/Grammar.hs
@@ -40,7 +40,7 @@ basePartiallyComposedItem itm = case itm ^. itType . iyBase of
     AMMOMAG _ -> ammoComposedItem itm
     ATTACH TARGETATTACH{} -> (itm,WeaponTargetingSF, LinkTest (const Nothing) (const Nothing))
     ATTACH ZOOMSCOPE -> (itm,WeaponScopeSF, LinkTest (const Nothing) (const Nothing))
-    ATTACH ROCKETHOMER -> (itm,AmmoModifierSF ProjectileAmmo, LinkTest (const Nothing) (const Nothing))
+    ATTACH HOMINGMODULE -> (itm,AmmoTargetingSF ProjectileAmmo, LinkTest (const Nothing) (const Nothing))
     ATTACH REMOTESCREEN -> (itm,RemoteScreenSF, LinkTest (const Nothing) (const Nothing))
     _ -> (itm,UncomposableIsolateSF, LinkTest (const Nothing) (const Nothing))
 
@@ -51,6 +51,7 @@ ammoComposedItem itm = fromMaybe (error "in ammoComposedItem, wrong item") $ do
         , AmmoMagSF atype
         , useBreakListsLinkTest 
             [(AmmoModifierSF atype, AmmoModLink)
+            ,(AmmoTargetingSF atype, AmmoTargetingLink)
             ,(RemoteScreenSF, RemoteScreenLink)
             ] 
             []
diff --git a/src/Dodge/Item/Scope.hs b/src/Dodge/Item/Scope.hs
index 4963a1a3a..1c012caf6 100644
--- a/src/Dodge/Item/Scope.hs
+++ b/src/Dodge/Item/Scope.hs
@@ -2,6 +2,7 @@ module Dodge.Item.Scope (
     zoomScope,
     targetingScope,
     remoteScreen,
+    homingModule,
 ) where
 
 import Control.Lens
@@ -21,6 +22,12 @@ targetingScope tt =
         & itType . iyBase .~ ATTACH (TARGETATTACH tt)
         & itUse .~ AttachUse Nothing
 
+homingModule :: Item
+homingModule =
+    defaultHeldItem
+        & itType . iyBase .~ ATTACH HOMINGMODULE
+        & itUse .~ AttachUse Nothing
+
 remoteScreen :: Item
 remoteScreen =
     defaultHeldItem