diff --git a/Strategic/Map Screen Helicopter.cpp b/Strategic/Map Screen Helicopter.cpp
index 3315137c..271b79f0 100644
--- a/Strategic/Map Screen Helicopter.cpp	
+++ b/Strategic/Map Screen Helicopter.cpp	
@@ -1393,7 +1393,7 @@ UINT8 MoveAllInHelicopterToFootMovementGroup( INT8 bNewSquad )
 			}
 
 			// Flugente: we are leaving the helicopter and instantly deploy into combat - this must be an airdrop
-			pSoldier->bSoldierFlagMask |= SOLDIER_AIRDROP;
+			pSoldier->bSoldierFlagMask |= (SOLDIER_AIRDROP_TURN|SOLDIER_AIRDROP);
 		}
 	}
 
diff --git a/Tactical/Soldier Control.cpp b/Tactical/Soldier Control.cpp
index 6e706a56..fe6fefea 100644
--- a/Tactical/Soldier Control.cpp	
+++ b/Tactical/Soldier Control.cpp	
@@ -16896,7 +16896,7 @@ INT16	SOLDIERTYPE::GetAPBonus()
 {
 	INT16 bonus = 0;
 	
-	if ( this->bSoldierFlagMask & SOLDIER_AIRDROP_BONUS )
+	if ( this->bSoldierFlagMask & SOLDIER_AIRDROP_TURN )
 		bonus += this->GetBackgroundValue(BG_AIRDROP);
 
 	if ( this->bSoldierFlagMask & SOLDIER_ASSAULT_BONUS )
@@ -16975,9 +16975,19 @@ INT16	SOLDIERTYPE::GetInterruptModifier( UINT8 usDistance )
 {
 	INT16 bonus = 0;
 
+	// drugs can alter our perception
+	if ( this->drugs.bDrugEffect[ DRUG_TYPE_PERCEPTION ] )
+		bonus += 2;
+	else if ( this->drugs.bDrugSideEffect[ DRUG_TYPE_PERCEPTION ] )
+		bonus -= 2;
+
 	// if we are listening on our radio, our mind will be somewhere else... we will be less focused
 	if ( this->IsRadioListening() )
 		bonus -= 3;
+
+	// if we are airdropping and do not have the 'airdrop' background, we receive a substantial malus to our interrupt level. Roping down takes a lot of attention
+	if ( this->bSoldierFlagMask & SOLDIER_AIRDROP_TURN && (this->GetBackgroundValue(BG_AIRDROP) == 0) )
+		bonus -= 8;
 					
 	return bonus;
 }
@@ -16985,7 +16995,7 @@ INT16	SOLDIERTYPE::GetInterruptModifier( UINT8 usDistance )
 void SOLDIERTYPE::SoldierPropertyUpkeep()
 {
 	// these flags are only used for the first turn, and thus always removed
-	this->bSoldierFlagMask &= ~(SOLDIER_AIRDROP_BONUS|SOLDIER_ASSAULT_BONUS);
+	this->bSoldierFlagMask &= ~(SOLDIER_AIRDROP_TURN|SOLDIER_ASSAULT_BONUS);
 
 	if ( HasBackgroundFlag( BACKGROUND_EXP_UNDERGROUND ) && this->bSectorZ )
 		++bExtraExpLevel;
diff --git a/Tactical/Soldier Control.h b/Tactical/Soldier Control.h
index 303765c1..969d19f5 100644
--- a/Tactical/Soldier Control.h	
+++ b/Tactical/Soldier Control.h	
@@ -374,13 +374,13 @@ enum
 #define SOLDIER_REDOFLASHLIGHT				0x00008000	//32768		// this flag signifies that we somehow interacted with the items in our hands. Thus we have to possible redo lighting from flashlights
 
 #define SOLDIER_LIGHT_OWNER					0x00010000	//65536		// we 'own' at least one light source (via flashlights)
-#define SOLDIER_AIRDROP_BONUS				0x00020000	//131072	// backgrounds: special AP bonus during the first turn of an airdrop
+#define SOLDIER_AIRDROP_TURN				0x00020000	//131072	// we are entering a sector via airdrop this turn
 #define SOLDIER_ASSAULT_BONUS				0x00040000	//262144	// backgrounds: our first turn in an assault
 #define SOLDIER_RADIO_OPERATOR_LISTENING	0x00080000	//524288	// radio operator is listening with his set
 
 #define SOLDIER_RADIO_OPERATOR_JAMMING		0x00100000	//1048576	// radio operator is jamming frequencies
 #define SOLDIER_RADIO_OPERATOR_SCANNING		0x00200000	//2097152	// radio operator is scanning for jammers
-#define SOLDIER_AIRDROP						0x00400000	//4194304	// soldier is entering the sector via airdrop from a helicopter
+#define SOLDIER_AIRDROP						0x00400000	//4194304	// soldier is entering the sector via airdrop from a helicopter. Sligthly different from SOLDIER_AIRDROP_TURN
 /*#define PLAYER_NET_4_LVL_2		0x00800000	//8388608
 
 #define PLAYER_NET_1_LVL_3		0x01000000	//16777216
@@ -535,7 +535,7 @@ enum
 
 //Flugente skills from traits and other sources
 enum{
-	// psyker skills
+	// first skill
 	SKILLS_FIRST = 0,
 
 	// radio operator
diff --git a/Tactical/TeamTurns.cpp b/Tactical/TeamTurns.cpp
index 556da7d7..cbab6d2a 100644
--- a/Tactical/TeamTurns.cpp
+++ b/Tactical/TeamTurns.cpp
@@ -1935,16 +1935,6 @@ INT8 CalcInterruptDuelPts( SOLDIERTYPE * pSoldier, UINT8 ubOpponentID, BOOLEAN f
 		}
 	}
 
-	// Flugente: drugs can alter our perception
-	if ( pSoldier->drugs.bDrugEffect[ DRUG_TYPE_PERCEPTION ] )
-	{
-		iPoints += 1;
-	}
-	else if ( pSoldier->drugs.bDrugSideEffect[ DRUG_TYPE_PERCEPTION ] )
-	{
-		iPoints -= 1;
-	}
-
 	// Flugente: interrupt modifier from special stats
 	iPoints += pSoldier->GetInterruptModifier( ubDistance );