[

	{
		"name": "Heal Instantly",
		"effect": "Heal this Unit by 50 HP; Doing so will consume this opportunity to choose a Promotion",
		"unitTypes": ["Melee","Mounted","Scout","Siege","Ranged","Armor","WaterMelee","WaterRanged","WaterSubmarine"]
	},
	
	// Ranged+Siege
	{
		"name": "Accuracy I",
		"effect": "Bonus vs units in open terrain 15%",
		"unitTypes": ["Siege","Ranged"]
	},
	{
		"name": "Accuracy II",
		"prerequisites": ["Accuracy I"],
		"effect": "Bonus vs units in open terrain 15%",
		"unitTypes": ["Siege","Ranged"]
	},
	{
		"name": "Accuracy III",
		"prerequisites": ["Accuracy II"],
		"effect": "Bonus vs units in open terrain 15%",
		"unitTypes": ["Siege","Ranged"]
	},

	{
		"name": "Barrage I",
		"effect": "Bonus vs units in rough terrain 15%",
		"unitTypes": ["Siege","Ranged"]
	},
	{
		"name": "Barrage II",
		"prerequisites": ["Barrage I"],
		"effect": "Bonus vs units in rough terrain 15%",
		"unitTypes": ["Siege","Ranged"]
	},
	{
		"name": "Barrage III",
		"prerequisites": ["Barrage II"],
		"effect": "Bonus vs units in rough terrain 15%",
		"unitTypes": ["Siege","Ranged"]
	},

	{
		"name": "Volley",
		"prerequisites": ["Accuracy I","Barrage I"],
		"effect": "Bonus vs City 50%",
		"unitTypes": ["Ranged","Siege"]
	},
	{
		"name": "Extended Range",
		"prerequisites": ["Accuracy III","Barrage III","Targeting II","Bombardment II", "Wolfpack II"],
		"effect": "+1 Range",
		"unitTypes": ["Ranged","Siege","WaterRanged","WaterSubmarine"]
	},
	{
		"name": "Indirect Fire",
		"prerequisites": ["Accuracy III","Barrage III"],
		"effect": "Ranged attacks may be performed over obstacles",
		"unitTypes": ["Ranged","Siege"]
	},
	
	// Melee, Mounted+Armor
	{
		"name": "Shock I",
		"effect": "Bonus vs units in open terrain 15%",
		"unitTypes": ["Melee","Mounted","Armor"]
	},
	{
		"name": "Shock II",
		"prerequisites": ["Shock I"],
		"effect": "Bonus vs units in open terrain 15%",
		"unitTypes": ["Melee","Mounted","Armor"]
	},
	{
		"name": "Shock III",
		"prerequisites": ["Shock II"],
		"effect": "Bonus vs units in open terrain 15%",
		"unitTypes": ["Melee","Mounted","Armor"]
	},

	{
		"name": "Drill I",
		"effect": "Bonus vs units in rough terrain 15%",
		"unitTypes": ["Melee","Mounted","Armor"]
	},
	{
		"name": "Drill II",
		"prerequisites": ["Drill I"],
		"effect": "Bonus vs units in rough terrain 15%",
		"unitTypes": ["Melee","Mounted","Armor"]
	},
	{
		"name": "Drill III",
		"prerequisites": ["Drill II"],
		"effect": "Bonus vs units in rough terrain 15%",
		"unitTypes": ["Melee","Mounted","Armor"]
	},
	{
		"name": "Charge",
		"prerequisites": ["Shock II","Drill II"],
		"effect": "Bonus vs wounded units 33%",
		"unitTypes": ["Mounted","Armor"]
	},
	{
		"name": "Siege",
		"prerequisites": ["Shock II","Drill II"],
		"effect": "Bonus vs City 50%",
		"unitTypes": ["Melee"]
	},
	{
		"name": "Formation I",
		"prerequisites": ["Shock II","Drill II"],
		"effect": "Bonus vs Mounted 33%",
		"unitTypes": ["Melee","Mounted"]
	},
	{
		"name": "Formation II",
		"prerequisites": ["Formation I"],
		"effect": "Bonus vs Mounted 33%",
		"unitTypes": ["Melee","Mounted"]
	},
	
	{
		"name": "Blitz",
		"prerequisites": ["Shock III","Drill III"],
		"effect": "1 additional attack per turn",
		"unitTypes": ["Melee","Mounted","Armor"]
	},
	{
		"name": "Woodsman",
		"prerequisites": ["Shock III","Drill III"],
		"effect": "Double movement rate through Forest and Jungle",
		"unitTypes": ["Melee"]
	},
	{
		"name": "Medic",
		"prerequisites": ["Shock I", "Drill I", "Scouting II"],
		"effect": "This unit and all others in adjacent tiles heal 5 additional HP per turn",
		"unitTypes": ["Melee","Mounted","Scout"]
	},
	{
		"name": "Medic II",
		"prerequisites": ["Medic"],
		"effect": "This unit and all others in adjacent tiles heal 5 additional HP. This unit heals 5 additional HP outside of friendly territory.",
		"unitTypes": ["Melee","Mounted","Scout"]
	},
	
	// Scout
	{
		"name": "Scouting I",
		"effect": "+1 Visibility Range",
		"unitTypes": ["Scout"]
	},
	{
		"name": "Scouting II",
		"prerequisites": ["Scouting I"],
		"effect": "+1 Movement",
		"unitTypes": ["Scout"]
	},
	{
		"name": "Scouting III",
		"prerequisites": ["Scouting II"],
		"effect": "+1 Visibility Range",
		"unitTypes": ["Scout"]
	},
	
	
	// Water melee
	{
		"name": "Boarding Party I",
		"effect": "Bonus vs water units 15%",
		"unitTypes": ["WaterMelee"]
	},
	{
		"name": "Boarding Party II",
		"prerequisites": ["Boarding Party I"],
		"effect": "Bonus vs water units 15%",
		"unitTypes": ["WaterMelee"]
	},
	{
		"name": "Boarding Party III",
		"prerequisites": ["Boarding Party II"],
		"effect": "Bonus vs water units 15%",
		"unitTypes": ["WaterMelee"]
	},
	
	{
		"name": "Coastal Raider I",
		"effect": "Bonus vs City 15%",
		"unitTypes": ["WaterMelee"]
	},
	{
		"name": "Coastal Raider II",
		"prerequisites": ["Coastal Raider I"],
		"effect": "Bonus vs City 15%",
		"unitTypes": ["WaterMelee"]
	},
	{
		"name": "Coastal Raider III",
		"prerequisites": ["Coastal Raider II"],
		"effect": "Bonus vs City 15%",
		"unitTypes": ["WaterMelee"]
	},
	
	// Submarine
	{
		"name": "Wolfpack I",
		"effect": "Bonus as Attacker [25]%",
		"unitTypes": ["WaterSubmarine"]
	},
	{
		"name": "Wolfpack II",
		"prerequisites": ["Wolfpack I"],
		"effect": "Bonus as Attacker [25]%",
		"unitTypes": ["WaterSubmarine"]
	},
	{
		"name": "Wolfpack III",
		"prerequisites": ["Wolfpack II"],
		"effect": "Bonus as Attacker [25]%",
		"unitTypes": ["WaterSubmarine"]
	},
	
	// Aircraft Carrier
	{
		"name": "Armor Plating I",
		"effect": "+25% Combat Bonus when defending",
		"unitTypes": ["WaterAircraftCarrier"]
	},
	{
		"name": "Armor Plating II",
		"prerequisites": ["Armor Plating I"],
		"effect": "+25% Combat Bonus when defending",
		"unitTypes": ["WaterAircraftCarrier"]
	},
	{
		"name": "Armor Plating III",
		"prerequisites": ["Armor Plating II"],
		"effect": "+25% Combat Bonus when defending",
		"unitTypes": ["WaterAircraftCarrier"]
	},
	{
		"name": "Flight Deck I",
		"effect": "Can carry 1 extra air unit",
		"unitTypes": ["WaterAircraftCarrier"]
	},
	{
		"name": "Flight Deck II",
		"prerequisites": ["Flight Deck I"],
		"effect": "Can carry 1 extra air unit",
		"unitTypes": ["WaterAircraftCarrier"]
	},
	{
		"name": "Flight Deck III",
		"prerequisites": ["Flight Deck II"],
		"effect": "Can carry 1 extra air unit",
		"unitTypes": ["WaterAircraftCarrier"]
	},

	// Bomber
	{
		"name": "Siege I",
		"effect": "Bonus vs City 33%",
		"unitTypes": ["Bomber"]
	},
	{
		"name": "Siege II",
		"prerequisites": ["Siege I"],
		"effect": "Bonus vs City 33%",
		"unitTypes": ["Bomber"]
	},
	{
		"name": "Siege III",
		"prerequisites": ["Siege II"],
		"effect": "Bonus vs City 34%",
		"unitTypes": ["Bomber"]
	},
	{
		"name": "Evasion",
		"prerequisites": ["Siege II", "Bombardment II"],
		"effect": "Reduces damage taken from interception by 50%",
		"unitTypes": ["Bomber"]
	},
	
	// Fighter
	{
		"name": "Interception I",
		"effect": "Bonus when intercepting [33]%",
		"unitTypes": ["Fighter"]
	},
	{
		"name": "Interception II",
		"prerequisites": ["Interception I"],
		"effect": "Bonus when intercepting [33]%",
		"unitTypes": ["Fighter"]
	},
	{
		"name": "Interception III",
		"prerequisites": ["Interception II"],
		"effect": "Bonus when intercepting [34]%",
		"unitTypes": ["Fighter"]
	},
	/*
	{
		"name": "Dogfighting I",
		"effect": "Bonus when performing air sweep [33]%", // todo
		"unitTypes": ["Fighter"]
	},
	{
		"name": "Dogfighting II",
		"prerequisites": ["Dogfighting I"],
		"effect": "Bonus when performing air sweep [33]%",
		"unitTypes": ["Fighter"]
	},
	{
		"name": "Dogfighting III",
		"prerequisites": ["Dogfighting II"],
		"effect": "Bonus when performing air sweep [34]%",
		"unitTypes": ["Fighter"]
	}
	*/
	
	{
		"name": "Sortie",
		"prerequisites": ["Interception II", "Dogfighting II"]
		"effect": "1 extra Interception may be made per turn",
		"unitTypes": ["Fighter"]
	},
	
	{
		"name": "Operational Range",
		"prerequisites": ["Interception I", /*"Dogfighting I",*/ "Siege I", "Bombardment I"],
		"effect": "+2 Range",
		"unitTypes": ["Fighter","Bomber"]
	},
	{
		"name": "Air Repair",
		"prerequisites": ["Interception II", /*"Dogfighting II",*/ "Siege II", "Bombardment II"],
		"effect": "Unit will heal every turn, even if it performs an action",
		"unitTypes": ["Fighter","Bomber"]
	},
	
	// Mixed
	{
		"name": "Cover I",
		"effect": "+25% Defence against ranged attacks",
		"unitTypes": ["Melee","Ranged","Siege"]
	},
	{
		"name": "Cover II",
		"prerequisites": ["Cover I"],
		"effect": "+25% Defence against ranged attacks",
		"unitTypes": ["Melee","Ranged","Siege"]
	},
	
	{
		"name": "March",
		"prerequisites": ["Accuracy II","Barrage II","Shock III","Drill III"],
		"effect": "Unit will heal every turn, even if it performs an action",
		"unitTypes": ["Melee","Ranged","Siege","Mounted"]
	},
	{
		"name": "Mobility",
		"prerequisites": ["Shock II","Drill II","Targeting I",
			"Bombardment I","Boarding Party I", "Coastal Raider I", "Wolfpack I"],
		"effect": "+1 Movement",
		"unitTypes": ["Mounted","WaterMelee","WaterRanged","Armor","WaterSubmarine"]
	},
	{
		"name": "Sentry",
		"prerequisites": ["Accuracy I","Barrage I","Shock II","Drill II","Bombardment I","Targeting I","Boarding Party I","Coastal Raider I"],
		"effect": "+1 Visibility Range",
		"unitTypes": ["Melee","Mounted","WaterRanged","Armor","WaterMelee"]
	},
	{
		"name": "Logistics",
		"prerequisites": ["Accuracy III","Barrage III","Targeting III", "Wolfpack III",
			"Bombardment III", "Coastal Raider III","Boarding Party III","Siege III"],
		"effect": "1 additional attack per turn",
		"unitTypes": ["Ranged","Siege","WaterMelee","WaterRanged","WaterSubmarine","Fighter","Bomber"]
	},
	
	{
		"name": "Ambush I",
		"effect": "Bonus vs Armor 25%",
		"unitTypes": ["Melee","Fighter","Bomber"]
	},
	{
		"name": "Ambush II",
		"prerequisites": ["Ambush I"],
		"effect": "Bonus vs Armor 25%",
		"unitTypes": ["Melee","Fighter","Bomber"]
	},
	
	
	// Water ranged and air units
	{
		"name": "Bombardment I",
		"effect": "Bonus vs land units 33%",
		"unitTypes": ["WaterRanged","Fighter","Bomber"]
	},
	{
		"name": "Bombardment II",
		"prerequisites": ["Bombardment I"],
		"effect": "Bonus vs land units 33%",
		"unitTypes": ["WaterRanged","Fighter","Bomber"]
	},
	{
		"name": "Bombardment III",
		"prerequisites": ["Bombardment II"],
		"effect": "Bonus vs land units 34%",
		"unitTypes": ["WaterRanged","Fighter","Bomber"]
	},
	
	// Targeting I has different requirements for air and waterranged units, this was the cleanest way to do so
	{
		"name": "Targeting I",
		"effect": "Bonus vs water units 15%",
		"unitTypes": ["WaterRanged"]
	},
	{
		"name": "Targeting I (air)",
		"prerequisites": ["Interception I","Dogfighting I", "Siege I","Bombardment I"]
		"effect": "Bonus vs water units 15%",
		"unitTypes": ["Fighter","Bomber"]
	},
	{
		"name": "Targeting II",
		"prerequisites": ["Targeting I","Targeting I (air)"],
		"effect": "Bonus vs water units 15%",
		"unitTypes": ["WaterRanged","Fighter","Bomber"]
	},
	{
		"name": "Targeting III",
		"prerequisites": ["Targeting II"],
		"effect": "Bonus vs water units 15%",
		"unitTypes": ["WaterRanged"]
	},
	
	// Uniques
	{
		"name": "Haka War Dance", // only for Maori Warrior and subsequent upgrades
		"effect": "-10% combat strength for adjacent enemy units"
	},
	{
		"name": "Rejuvenation", // only for Units that have been close to Natural Wonder Fountain of Youth
		"effect": "All healing effects doubled"
	}

]