diff --git a/changelog.txt b/changelog.txt
index decb4df102..9fa1eb57f8 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,10 +1,18 @@
 4.97 => 4.98
-2026-01-01
+2026-01-11
 
-Balance in test :
+AA Balance in test :
 * Ground AA, target priority only bombers / transporters
 * Air Fighter target priority fighter / bombers / transporters
 
+Balance :
+* Reduce Range for Rumad Aeroship main gun : 2000->1800
+
+Improvment :
+* Rework T4 Artillery Core Hover Model
+* Try to fix T3 Veh Talon Production Lab. No perfect with Abaddon units.
+
+
 Xmas is ending !
 
  4.96 => 4.97
diff --git a/gamedata/armordefs.lua b/gamedata/armordefs.lua
index 4a4ff573cf..0f3ce2c7ee 100644
--- a/gamedata/armordefs.lua
+++ b/gamedata/armordefs.lua
@@ -49,6 +49,7 @@ return {
 		"gok_chariot",
 		"gok_wordbearer",
 		"gok_benne",
+		"gok_lift",
 		"rumad_bomber_lvl1",
 		"rumad_bomber_lvl2",
 		"rumad_bomber_lvl3",
diff --git a/gamedata/movedefs.lua b/gamedata/movedefs.lua
index 2a3c5e3542..f681b6270f 100644
--- a/gamedata/movedefs.lua
+++ b/gamedata/movedefs.lua
@@ -183,6 +183,14 @@ local moveDatas = {
         maxslope = 18,
         maxwaterdepth = 22
     },
+    HTANK6CRUSH = {
+        allowterraincollisions = false,
+        crushstrength = 1000,
+        footprintx = 6,
+        footprintz = 6,
+        maxslope = 18,
+        maxwaterdepth = 22
+    },
     HTANK8 = {
         allowterraincollisions = false,
         crushstrength = 1000,
diff --git a/objects3d/core/corhflag.s3o b/objects3d/core/corhflag.s3o
index c4ba7b9ff9..9d93e1318c 100644
Binary files a/objects3d/core/corhflag.s3o and b/objects3d/core/corhflag.s3o differ
diff --git a/objects3d/talon/talon_abaddon.s3o b/objects3d/talon/talon_abaddon.s3o
index 810ca8fe1e..746e299737 100644
Binary files a/objects3d/talon/talon_abaddon.s3o and b/objects3d/talon/talon_abaddon.s3o differ
diff --git a/units/armevp.lua b/units/armevp.lua
index 0aac6c5096..74efcefac8 100644
--- a/units/armevp.lua
+++ b/units/armevp.lua
@@ -15,7 +15,7 @@ return {
 		canstop = 1,
 		category = "LEVEL2 ALL SURFACE",
 		collisionvolumeoffsets = "0 0 0",
-		collisionvolumescales = "150 35 129",
+		collisionvolumescales = "140 75 130",
 		collisionvolumetype = "box",
 		corpse = "dead",
 		description = "Tech Level 3",
@@ -23,7 +23,7 @@ return {
 		explodeas = "LARGE_BUILDINGEX",
 		firestandorders = 1,
 		footprintx = 10,
-		footprintz = 8,
+		footprintz = 9,
 		icontype = "building",
 		idleautoheal = 5,
 		idletime = 1800,
@@ -47,7 +47,7 @@ return {
 		unitname = "armevp",
 		usebuildinggrounddecal = true,
 		workertime = 800,
-		yardmap = "oooooooooo ooccccccoo ooccccccoo ooccccccoo ooccccccoo ooccccccoo ooccccccoo ooccccccoo",
+		yardmap = "oooooooooo ooccccccoo ooccccccoo ooccccccoo ooccccccoo ooccccccoo ooccccccoo ooccccccoo ooccccccoo",
 		buildoptions = {
 			[1] = "armecv",
 			[2] = "armchimera",
diff --git a/units/rumad_jafa.lua b/units/rumad_jafa.lua
index ac772d0d82..ac149c9738 100644
--- a/units/rumad_jafa.lua
+++ b/units/rumad_jafa.lua
@@ -118,7 +118,7 @@ return {
 				impulsefactor = 0.123,
 				name = "Plasma",
 				noselfdamage = true,
-				range = 2000,
+				range = 1800,
 				reloadtime = 3,
 				rgbcolor = "0.9 0.9 0.9",
 				separation = 0.45,
@@ -316,4 +316,4 @@ return {
 			},
 		},
 	},
-}
\ No newline at end of file
+}
diff --git a/units/rumad_lago.lua b/units/rumad_lago.lua
index d686849536..1992d8dd42 100644
--- a/units/rumad_lago.lua
+++ b/units/rumad_lago.lua
@@ -119,7 +119,7 @@ return {
 				impulsefactor = 0.123,
 				name = "Plasma",
 				noselfdamage = true,
-				range = 2000,
+				range = 1800,
 				reloadtime = 3,
 				rgbcolor = "0.9 0.9 0.9",
 				separation = 0.45,
@@ -156,7 +156,7 @@ return {
 				model = "weapon_rocketxl_rumad.s3o",
 				name = "Barrage missile",
 				proximitypriority = -1,
-				range = 2400,
+				range = 2000,
 				reloadtime = 20,
 				smoketrail = true,
 				sprayangle = 300,
diff --git a/units/talon_abaddon.lua b/units/talon_abaddon.lua
index 2af2de74d4..16bb12d6f5 100644
--- a/units/talon_abaddon.lua
+++ b/units/talon_abaddon.lua
@@ -14,17 +14,17 @@ return {
 		canpatrol = true,
 		canstop = 1,
 		category = "ALL HUGE MOBILE SURFACE UNDERWATER",
-		collisionvolumeoffsets = "0 -5 0",
-		collisionvolumescales = "75 68 125",
-		collisionvolumetype = "CylZ",
+		collisionvolumeoffsets = "0 -2 0",
+		collisionvolumescales = "80 55 120",
+		collisionvolumetype = "box",
 		corpse = "dead",
 		defaultmissiontype = "Standby",
 		description = "Mobile Command Vehicle",
 		downloadable = 1,
 		explodeas = "CRAWL_BLAST",
 		firestandorders = 1,
-		footprintx = 8,
-		footprintz = 8,
+		footprintx = 6,
+		footprintz = 6,
 		idleautoheal = 5,
 		idletime = 1800,
 		losemitheight = 33,
@@ -35,7 +35,7 @@ return {
 		maxvelocity = 1.2,
 		maxwaterdepth = 12,
 		mobilestandorders = 1,
-		movementclass = "HTANK8",
+		movementclass = "HTANK6CRUSH",
 		name = "Abaddon",
 		noautofire = false,
 		objectname = "talon/talon_abaddon.s3o",
@@ -265,4 +265,4 @@ return {
 			},
 		},
 	},
-}
\ No newline at end of file
+}
diff --git a/units/talon_crystal.lua b/units/talon_crystal.lua
index dd76f1d4c5..7d73d2aec3 100644
--- a/units/talon_crystal.lua
+++ b/units/talon_crystal.lua
@@ -14,8 +14,8 @@ return {
 		canstop = 1,
 		category = "ALL LARGE MOBILE SURFACE UNDERWATER",
 		collisionvolumeoffsets = "0 -10 0",
-		collisionvolumescales = "52 50 100",
-		collisionvolumetype = "CylZ",
+		collisionvolumescales = "70 60 120",
+		collisionvolumetype = "Box",
 		corpse = "dead",
 		defaultmissiontype = "Standby",
 		description = "Experimental Rocket Vehicle",
@@ -34,7 +34,7 @@ return {
 		maxvelocity = 1,
 		maxwaterdepth = 12,
 		mobilestandorders = 1,
-		movementclass = "ATANK3",
+		movementclass = "HTANK6",
 		name = "Crystal",
 		noautofire = false,
 		objectname = "talon/talon_crystal.s3o",
@@ -46,7 +46,7 @@ return {
 		standingmoveorder = 1,
 		steeringmode = 1,
 		turninplaceanglelimit = 140,
-		turninplacespeedlimit = 0.792,
+		turninplacespeedlimit = 0.8,
 		turnrate = 250,
 		unitname = "talon_crystal",
 		customparams = {
@@ -206,4 +206,4 @@ return {
 			},
 		},
 	},
-}
\ No newline at end of file
+}
diff --git a/units/talon_evp.lua b/units/talon_evp.lua
index 9f4a1808c2..0755a821c4 100644
--- a/units/talon_evp.lua
+++ b/units/talon_evp.lua
@@ -2,7 +2,7 @@ return {
 	talon_evp = {
 		buildangle = 1024,
 		buildcostenergy = 362950,
-		buildcostmetal = 15211,
+		buildcostmetal = 15200,
 		builder = true,
 		buildinggrounddecaldecayspeed = 3000,
 		buildinggrounddecalsizex = 8,
@@ -15,7 +15,7 @@ return {
 		canstop = 1,
 		category = "LEVEL2 ALL SURFACE",
 		collisionvolumeoffsets = "0 0 0",
-		collisionvolumescales = "160 100 160",
+		collisionvolumescales = "180 80 150",
 		collisionvolumetype = "box",
 		corpse = "dead",
 		description = "Tech Level 3",
@@ -41,13 +41,12 @@ return {
 		selfdestructas = "LARGE_BUILDING",
 		shownanospray = false,
 		sightdistance = 230,
-		sortbias = 0,
 		standingfireorder = 2,
 		standingmoveorder = 1,
 		unitname = "talon_evp",
 		usebuildinggrounddecal = true,
 		workertime = 800,
-		yardmap = "occcccccccco occcccccccco occcccccccco occcccccccco occcccccccco occcccccccco occcccccccco occcccccccco occcccccccco occcccccccco occcccccccco occcccccccco",
+		yardmap = "ooccccccccoo ooccccccccoo ooccccccccoo ooccccccccoo ooccccccccoo ooccccccccoo ooccccccccoo ooccccccccoo ooccccccccoo ooccccccccoo ooccccccccoo ooccccccccoo",
 		buildoptions = {
 			[1] = "talon_ech",
 			[2] = "talon_azul",