diff --git a/multiplay/skirmish/cobra_includes/events.js b/multiplay/skirmish/cobra_includes/events.js
index 1fa4285..4b71450 100644
--- a/multiplay/skirmish/cobra_includes/events.js
+++ b/multiplay/skirmish/cobra_includes/events.js
@@ -206,7 +206,7 @@ function eventAttacked(victim, attacker)
 		return;
 	}
 
-	if ((gameTime > 900000) || !highOilMap())
+	if ((gameTime > 420000) || !highOilMap())
 	{
 		startAttacking = true; //well, they want to play so...
 	}
diff --git a/multiplay/skirmish/cobra_includes/research.js b/multiplay/skirmish/cobra_includes/research.js
index ee72e66..578d769 100644
--- a/multiplay/skirmish/cobra_includes/research.js
+++ b/multiplay/skirmish/cobra_includes/research.js
@@ -209,8 +209,8 @@ function research()
 		{
 			if (random(100) < (highOil ? 25 : 15))
 			{
-				if (!found)
-					found = pursueResearch(lab, "R-Vehicle-Metals03");
+				found = pursueResearch(lab, "R-Vehicle-Metals03");
+
 				if (!found && !turnOffCyborgs && countStruct(CYBORG_FACTORY))
 					found = pursueResearch(lab, "R-Cyborg-Metals03");
 
@@ -226,7 +226,7 @@ function research()
 
 					if (!found && getResearch("R-Struc-Research-Upgrade04").done || (random(100) < 20))
 						found = evalResearch(lab, BODY_RESEARCH_1);
-					if (!found && getResearch("R-Struc-Research-Upgrade05").done && (random(100) < componentAvailable("Body12SUP") ? 35 : 15))
+					if (!found && getResearch("R-Struc-Research-Upgrade05").done && (random(100) < (componentAvailable("Body12SUP") ? 35 : 15)))
 						found = evalResearch(lab, BODY_RESEARCH_2);
 				}
 			}
@@ -273,7 +273,7 @@ function research()
 				if (!found && useVtol && random(100) < 70)
 				{
 					// Basic VTOL pads tried after Python.
-					if (!found && componentAvailable("Body11ABT") && random(100) < 70)
+					if (componentAvailable("Body11ABT") && random(100) < 70)
 						found = pursueResearch(lab, "R-Struc-VTOLPad-Upgrade01");
 					if (!found && componentAvailable("V-Tol") && random(100) < subPersonalities[personality].vtolPriority)
 						found = evalResearch(lab, VTOL_RES);
@@ -332,7 +332,7 @@ function research()
 				if (!found && useVtol && random(100) < 60)
 				{
 					// Basic VTOL pads tried after Python.
-					if (!found && componentAvailable("Body11ABT"))
+					if (componentAvailable("Body11ABT"))
 						found = pursueResearch(lab, "R-Struc-VTOLPad-Upgrade01");
 					if (!found && componentAvailable("V-Tol") && random(100) < subPersonalities[personality].vtolPriority)
 						found = evalResearch(lab, VTOL_RES);
@@ -389,7 +389,7 @@ function research()
 				if (!found && useVtol && random(100) < 80)
 				{
 					// Basic VTOL pads tried after Python.
-					if (!found && componentAvailable("Body11ABT") && random(100) < 80)
+					if (componentAvailable("Body11ABT") && random(100) < 80)
 						found = pursueResearch(lab, "R-Struc-VTOLPad-Upgrade01");
 					if (!found && componentAvailable("V-Tol") && (random(100) < subPersonalities[personality].vtolPriority + 10))
 						found = evalResearch(lab, VTOL_RES);
diff --git a/multiplay/skirmish/cobra_includes/tactics.js b/multiplay/skirmish/cobra_includes/tactics.js
index bd498bd..e1fc1f1 100644
--- a/multiplay/skirmish/cobra_includes/tactics.js
+++ b/multiplay/skirmish/cobra_includes/tactics.js
@@ -573,7 +573,6 @@ function enemyUnitsInBase()
 		var high = highOilMap();
 
 		if (!startAttacking &&
-			((gameTime > high ? 900000 : 300000) && (enemyUnits.length > high ? 20 : 8)) &&
 			enemyUnits[0].droidType !== DROID_CONSTRUCT &&
 			enemyUnits[0].droidType !== DROID_SENSOR)
 		{
@@ -660,6 +659,11 @@ function baseShuffleDefensePattern()
 	var x = sector.x1 + random(sector.x2);
 	var y = sector.y1 + random(sector.y2);
 
+	if (!propulsionCanReach("wheeled01", MY_BASE.x, MY_BASE.y, x, y))
+	{
+		return;
+	}
+
 	if (x <= 2)
 	{
 		x = 2;