Index: Sim/Units/COB/CobInstance.cpp
===================================================================
--- Sim/Units/COB/CobInstance.cpp	(revision 4237)
+++ Sim/Units/COB/CobInstance.cpp	(working copy)
@@ -98,6 +98,7 @@
 #define CURRENT_FUEL             93 // set or get
 #define TRANSPORT_ID             94 // get
 #define SHIELD_POWER             95 // set or get
+#define ALPHA_THRESHOLD			103 // set or get
 
 // * NOTE: [LUA0 - LUA9] are defined in CobThread.cpp as [110 - 119]
 
@@ -1120,6 +1121,9 @@
 		const CPlasmaRepulser* shield = (CPlasmaRepulser*)unit->shieldWeapon;
 		return int(shield->curPower * float(COBSCALE));
 	}
+	case ALPHA_THRESHOLD: {
+		return unit->alphaThreshold * 255;
+	}
 	default:
 		logOutput.Print("CobError: Unknown get constant %d  (params = %d %d %d %d)",
 		                val, p1, p2, p3, p4);
@@ -1312,6 +1316,10 @@
 			}
 			break;
 		}
+		case ALPHA_THRESHOLD: {
+			unit->alphaThreshold=float(param) / 255.0f;
+			break;
+		}
 		default: {
 			logOutput.Print("CobError: Unknown set constant %d", val);
 		}
Index: Sim/Units/Unit.cpp
===================================================================
--- Sim/Units/Unit.cpp	(revision 4237)
+++ Sim/Units/Unit.cpp	(working copy)
@@ -205,7 +205,8 @@
 	prevMoveType(NULL),
 	usingScriptMoveType(false),
 	lodCount(0),
-	currentLOD(0)
+	currentLOD(0),
+	alphaThreshold(.1)
 {
 #ifdef DIRECT_CONTROL_ALLOWED
 	directControl=0;
@@ -847,6 +848,7 @@
 inline void CUnit::DrawModel()
 {
 	if (lodCount <= 0) {
+		glAlphaFunc(GL_GEQUAL,alphaThreshold);
 		localmodel->Draw();
 	} else {
 		localmodel->DrawLOD(currentLOD);
@@ -2268,6 +2270,8 @@
 
 				CR_MEMBER(lastTerrainType),
 				CR_MEMBER(curTerrainType),
+				
+				CR_MEMBER(alphaThreshold),
 
 				CR_MEMBER(selfDCountdown),
 				CR_RESERVED(16),
Index: Sim/Units/Unit.h
===================================================================
--- Sim/Units/Unit.h	(revision 4237)
+++ Sim/Units/Unit.h	(working copy)
@@ -345,6 +345,8 @@
 	vector<float> lodLengths; // length-per-pixel
 	LuaUnitMaterial luaMats[LUAMAT_TYPE_COUNT];
 
+	float alphaThreshold; //minimum alpha value for a texel to be drawn
+
 protected:
 	void ChangeTeamReset();
 	void UpdateResources();