diff --git a/src/client/refresh/files/models.c b/src/client/refresh/files/models.c
index 961b7ccc..9a3ac14f 100644
--- a/src/client/refresh/files/models.c
+++ b/src/client/refresh/files/models.c
@@ -1138,7 +1138,7 @@ Mod_LoadAliasModel
 =================
 */
 void *
-Mod_LoadAliasModel (const char *mod_name, const void *buffer, int modfilelen,
+Mod_LoadAliasModel(const char *mod_name, const void *buffer, int modfilelen,
 	vec3_t mins, vec3_t maxs, struct image_s **skins, findimage_t find_image,
 	modtype_t *type)
 {
@@ -1235,17 +1235,76 @@ Mod_LoadSP2 (const char *mod_name, const void *buffer, int modfilelen,
 	return extradata;
 }
 
+static int
+Mod_LoadFileWithoutExt(const char *namewe, void **buffer, const char* ext)
+{
+	char newname[256];
+	size_t tlen;
+
+	*buffer = NULL;
+
+	tlen = strlen(namewe);
+
+	if (!strcmp(ext, "fm") ||
+		!strcmp(ext, "dkm") ||
+		!strcmp(ext, "md2") ||
+		!strcmp(ext, "mdl"))
+	{
+		int filesize, len;
+
+		/* Check Heretic2 model */
+		Q_strlcpy(newname, namewe, sizeof(newname));
+		Q_strlcat(newname, ".fm", sizeof(newname));
+		filesize = ri.FS_LoadFile(newname, buffer);
+		if (filesize > 0)
+		{
+			return filesize;
+		}
+
+		/* Check Quake 2 model */
+		Q_strlcpy(newname + tlen, ".md2", sizeof(newname));
+		filesize = ri.FS_LoadFile(newname, buffer);
+		if (filesize > 0)
+		{
+			return filesize;
+		}
+
+		/* Check Daikatana model */
+		Q_strlcpy(newname + tlen, ".dkm", sizeof(newname));
+		filesize = ri.FS_LoadFile(newname, buffer);
+		if (filesize > 0)
+		{
+			return filesize;
+		}
+
+		/* Check Quake model */
+		Q_strlcpy(newname + tlen, ".mdl", sizeof(newname));
+		filesize = ri.FS_LoadFile(newname, buffer);
+		if (filesize > 0)
+		{
+			return filesize;
+		}
+	}
+
+	Q_strlcpy(newname, namewe, sizeof(newname));
+	Q_strlcat(newname, ".", sizeof(newname));
+	Q_strlcat(newname, ext, sizeof(newname));
+
+	return ri.FS_LoadFile(newname, buffer);
+}
+
 /*
 =================
 Mod_LoadFile
 =================
 */
 int
-Mod_LoadFile(char *name, void **buffer)
+Mod_LoadFile(const char *name, void **buffer)
 {
+	char namewe[256];
 	const char* ext;
-
-	*buffer = NULL;
+	int filesize, len;
+	size_t tlen;
 
 	if (!name)
 	{
@@ -1259,59 +1318,46 @@ Mod_LoadFile(char *name, void **buffer)
 		return -1;
 	}
 
-	if (!strcmp(ext, "fm") ||
-		!strcmp(ext, "dkm") ||
-		!strcmp(ext, "md2") ||
-		!strcmp(ext, "mdl"))
+	len = strlen(name);
+	if (len < 5)
 	{
-		char namewe[256], newname[256];
-		int filesize, len;
-
-		len = strlen(name);
-		if (len < 5)
-		{
-			return -1;
-		}
-
-		/* Remove the extension */
-		size_t tlen = len - (strlen(ext) + 1);
-		memset(namewe, 0, 256);
-		memcpy(namewe, name, tlen);
-
-		/* Check Heretic2 model */
-		Q_strlcpy(newname, namewe, sizeof(newname));
-		Q_strlcat(newname, ".fm", sizeof(newname));
-		filesize = ri.FS_LoadFile (newname, buffer);
-		if (filesize > 0)
-		{
-			return filesize;
-		}
-
-		/* Check Quake 2 model */
-		Q_strlcpy(newname + tlen, ".md2", sizeof(newname));
-		filesize = ri.FS_LoadFile (newname, buffer);
-		if (filesize > 0)
-		{
-			return filesize;
-		}
-
-		/* Check Daikatana model */
-		Q_strlcpy(newname + tlen, ".dkm", sizeof(newname));
-		filesize = ri.FS_LoadFile (newname, buffer);
-		if (filesize > 0)
-		{
-			return filesize;
-		}
-
-		/* Check Quake model */
-		Q_strlcpy(newname + tlen, ".mdl", sizeof(newname));
-		filesize = ri.FS_LoadFile (newname, buffer);
-		if (filesize > 0)
-		{
-			return filesize;
-		}
+		return -1;
 	}
-	return ri.FS_LoadFile (name, buffer);
+
+	/* Remove the extension */
+	tlen = len - (strlen(ext) + 1);
+	memset(namewe, 0, 256);
+	memcpy(namewe, name, tlen);
+
+	filesize = Mod_LoadFileWithoutExt(namewe, buffer, ext);
+	if (filesize > 0)
+	{
+		return filesize;
+	}
+
+	/* Replacement of ReRelease models */
+	if (!strcmp(namewe, "models/monsters/soldierh/tris"))
+	{
+		filesize = Mod_LoadFileWithoutExt("models/monsters/soldier/tris",
+			buffer, ext);
+	}
+	else if (!strcmp(namewe, "models/monsters/gladb/tris"))
+	{
+		filesize = Mod_LoadFileWithoutExt("models/monsters/gladiatr/tris",
+			buffer, ext);
+	}
+	else if (!strcmp(namewe, "models/monsters/boss5/tris"))
+	{
+		filesize = Mod_LoadFileWithoutExt("models/monsters/boss1/tris",
+			buffer, ext);
+	}
+	else if (!strcmp(namewe, "models/monsters/bitch2/tris"))
+	{
+		filesize = Mod_LoadFileWithoutExt("models/monsters/bitch/tris",
+			buffer, ext);
+	}
+
+	return filesize;
 }
 
 /*
diff --git a/src/client/refresh/ref_shared.h b/src/client/refresh/ref_shared.h
index c990cb1c..a55adf08 100644
--- a/src/client/refresh/ref_shared.h
+++ b/src/client/refresh/ref_shared.h
@@ -358,7 +358,7 @@ extern const void *Mod_LoadBSPXFindLump(const bspx_header_t *bspx_header,
 	const char *lumpname, int *plumpsize, const byte *mod_base);
 extern const bspx_header_t *Mod_LoadBSPX(int filesize, const byte *mod_base);
 extern int Mod_LoadBSPXDecoupledLM(const dlminfo_t* lminfos, int surfnum, msurface_t *out);
-extern int Mod_LoadFile(char *name, void **buffer);
+extern int Mod_LoadFile(const char *name, void **buffer);
 
 /* Surface logic */
 #define DLIGHT_CUTOFF 64
diff --git a/src/game/g_spawn.c b/src/game/g_spawn.c
index bc6d47e1..162436fb 100644
--- a/src/game/g_spawn.c
+++ b/src/game/g_spawn.c
@@ -131,6 +131,7 @@ void SP_misc_easterchick2(edict_t *self);
 void SP_monster_berserk(edict_t *self);
 void SP_monster_gladiator(edict_t *self);
 void SP_monster_gunner(edict_t *self);
+void SP_monster_guncmdr(edict_t *self);
 void SP_monster_infantry(edict_t *self);
 void SP_monster_soldier_light(edict_t *self);
 void SP_monster_soldier(edict_t *self);
@@ -316,6 +317,7 @@ static spawn_t spawns[] = {
 	{"monster_berserk", SP_monster_berserk},
 	{"monster_gladiator", SP_monster_gladiator},
 	{"monster_gunner", SP_monster_gunner},
+	{"monster_guncmdr", SP_monster_guncmdr},
 	{"monster_infantry", SP_monster_infantry},
 	{"monster_soldier_light", SP_monster_soldier_light},
 	{"monster_soldier", SP_monster_soldier},
diff --git a/src/game/monster/chick/chick.c b/src/game/monster/chick/chick.c
index 3046a398..a79e217b 100644
--- a/src/game/monster/chick/chick.c
+++ b/src/game/monster/chick/chick.c
@@ -1206,7 +1206,7 @@ SP_monster_chick(edict_t *self)
 
 	self->movetype = MOVETYPE_STEP;
 	self->solid = SOLID_BBOX;
-	self->s.modelindex = gi.modelindex("models/monsters/bitch/tris.md2");
+	self->s.modelindex = gi.modelindex("models/monsters/bitch2/tris.md2");
 	VectorSet(self->mins, -16, -16, 0);
 	VectorSet(self->maxs, 16, 16, 56);
 
diff --git a/src/game/monster/gunner/gunner.c b/src/game/monster/gunner/gunner.c
index 377bc83d..e09a301e 100644
--- a/src/game/monster/gunner/gunner.c
+++ b/src/game/monster/gunner/gunner.c
@@ -1410,3 +1410,71 @@ SP_monster_gunner(edict_t *self)
 	self->monsterinfo.blindfire = true;
 	walkmonster_start(self);
 }
+
+/*
+ * QUAKED monster_guncmdr (1 .5 0) (-16 -16 -24) (16 16 32) Ambush Trigger_Spawn Sight NoJumping
+ */
+void
+SP_monster_guncmdr(edict_t *self)
+{
+	if (!self)
+	{
+		return;
+	}
+
+	if (deathmatch->value)
+	{
+		G_FreeEdict(self);
+		return;
+	}
+
+	// Force recaching at next footstep to ensure
+	// that the sound indices are correct.
+	sound_step = 0;
+	sound_step2 = 0;
+
+	sound_death = gi.soundindex("guncmdr/gcdrdeath1.wav");
+	sound_pain = gi.soundindex("guncmdr/gcdrpain2.wav");
+	sound_pain2 = gi.soundindex("guncmdr/gcdrpain1.wav");
+	sound_idle = gi.soundindex("guncmdr/gcdridle1.wav");
+	sound_open = gi.soundindex("guncmdr/gcdratck1.wav");
+	sound_search = gi.soundindex("guncmdr/gcdrsrch1.wav");
+	sound_sight = gi.soundindex("guncmdr/sight1.wav");
+
+	gi.soundindex("guncmdr/gcdratck2.wav");
+	gi.soundindex("guncmdr/gcdratck3.wav");
+
+	self->movetype = MOVETYPE_STEP;
+	self->solid = SOLID_BBOX;
+	self->s.modelindex = gi.modelindex("models/monsters/gunner/tris.md2");
+	VectorSet(self->mins, -16, -16, -24);
+	VectorSet(self->maxs, 16, 16, 32);
+
+	self->health = 175;
+	self->gib_health = -70;
+	self->mass = 200;
+
+	self->pain = gunner_pain;
+	self->die = gunner_die;
+
+	self->monsterinfo.stand = gunner_stand;
+	self->monsterinfo.walk = gunner_walk;
+	self->monsterinfo.run = gunner_run;
+	self->monsterinfo.dodge = gunner_dodge;
+	self->monsterinfo.duck = gunner_duck;
+	self->monsterinfo.unduck = monster_duck_up;
+	self->monsterinfo.sidestep = gunner_sidestep;
+	self->monsterinfo.attack = gunner_attack;
+	self->monsterinfo.melee = NULL;
+	self->monsterinfo.sight = gunner_sight;
+	self->monsterinfo.search = gunner_search;
+	self->monsterinfo.blocked = gunner_blocked;
+
+	gi.linkentity(self);
+
+	self->monsterinfo.currentmove = &gunner_move_stand;
+	self->monsterinfo.scale = MODEL_SCALE;
+
+	self->monsterinfo.blindfire = true;
+	walkmonster_start(self);
+}
diff --git a/src/game/savegame/tables/gamefunc_decs.h b/src/game/savegame/tables/gamefunc_decs.h
index 9f5d51a4..65c903b3 100644
--- a/src/game/savegame/tables/gamefunc_decs.h
+++ b/src/game/savegame/tables/gamefunc_decs.h
@@ -639,6 +639,7 @@ extern void hover_reattack ( edict_t * self ) ;
 extern void hover_search ( edict_t * self ) ;
 extern void hover_sight ( edict_t * self , edict_t * other ) ;
 extern void SP_monster_gunner ( edict_t * self ) ;
+extern void SP_monster_guncmdr ( edict_t * self ) ;
 extern void gunner_footstep( edict_t *self ) ;
 extern void gunner_sidestep ( edict_t * self ) ;
 extern void gunner_duck ( edict_t * self , float eta ) ;
diff --git a/src/game/savegame/tables/gamefunc_list.h b/src/game/savegame/tables/gamefunc_list.h
index eef7c473..3c8d632c 100644
--- a/src/game/savegame/tables/gamefunc_list.h
+++ b/src/game/savegame/tables/gamefunc_list.h
@@ -641,6 +641,7 @@
 {"hover_search", (byte *)hover_search},
 {"hover_sight", (byte *)hover_sight},
 {"SP_monster_gunner", (byte *)SP_monster_gunner},
+{"SP_monster_guncmdr", (byte *)SP_monster_guncmdr},
 {"gunner_footstep", (byte *)gunner_footstep},
 {"gunner_sidestep", (byte *)gunner_sidestep},
 {"gunner_duck", (byte *)gunner_duck},