Artillery

All 28 Artillery research technologies from HOI4 v1.19 — real costs, years, prerequisites and unlocks mined from the game files.

Artillery technologies (28 entries)
Tech	Cost	Year	Prerequisites	Leads to	Unlocks	Effects
`Towed Artillery` Gotterdammerung gw_artillery Has a scripted effect on completion.	1.5	undefined	—	Inter-War Artillery, Anti-tank, Anti-Air	Equipment: `artillery_equipment_1` Units: `field_guns` Modules: `ship_anti_air_1`, `tank_small_cannon`, `secondary_turret_small_cannon`	`armored_car`: Soft Attack +0.1
`Anti-Air` interwar_antiair	1.5	1936	Towed Artillery	Anti-Air Upgrade	Equipment: `anti_air_equipment_1` Units: `anti_air_battery` Modules: `ship_anti_air_2`, `tank_auto_cannon`, `tank_anti_air_cannon`, `tank_heavy_cannon`, `lc_light_anti_air_battery` Buildings: `anti_air_building` (level 5)	`armored_car`: Hard Attack +0.1
`Inter-War Artillery` interwar_artillery	1.5	1936	Towed Artillery	Artillery I	Modules: `tank_small_cannon_2`, `tank_close_support_gun`	`artillery`: Soft Attack +0.05 `artillery_brigade`: Soft Attack +0.1 `mot_artillery_brigade`: Soft Attack +0.1 `category_self_propelled_artillery`: Soft Attack +0.05 `field_guns`: Soft Attack +0.05
`Anti-tank` Peace For Our Time interwar_antitank Has a scripted effect on completion.	1.5	1936	Towed Artillery	Anti-Tank Upgrade	Equipment: `anti_tank_equipment_1` Units: `anti_tank_battery` Modules: `tank_high_velocity_cannon`, `tank_heavy_cannon`, `tank_buster_1`, `lc_high_velocity_cannon_turret`	`armored_car`: Ap Attack +0.1
`Anti-Air Upgrade` antiair1	1	1939	Anti-Air	Anti-Air II	—	`category_anti_air`: Air Attack +0.1 `category_self_propelled_anti_air`: Air Attack +0.15 `category_self_propelled_anti_air_regimental_support`: Air Attack +0.05 Tech Air Damage Factor -0.02
`Artillery I` artillery1	1	1939	Inter-War Artillery	Improved Artillery Upgrade I, Rocket-Assisted Projectiles, Purpose-Built Gun Motor Carriages	Equipment: `artillery_equipment_2` Modules: `tank_medium_howitzer`, `tank_medium_cannon`, `lc_medium_cannon_turret`, `lc_assault_gun`	`armored_car`: Soft Attack +0.1
`Anti-Tank Upgrade` antitank1	1	1939	Anti-tank	Anti-Tank II	Modules: `tank_medium_cannon`, `squeezebore_adaptor`	`category_anti_tank`: Hard Attack +0.1 `category_anti_tank`: Ap Attack +0.2 `category_tank_destroyers`: Hard Attack +0.05 `category_tank_destroyers`: Ap Attack +0.05 `category_tank_destroyer_regimental_support`: Hard Attack +0.025 `category_tank_destroyer_regimental_support`: Ap Attack +0.05
`Anti-Air II` antiair2	1	1940	Anti-Air Upgrade	Improved Anti-Air Upgrade I, Shock-Hardening Techniques	Equipment: `anti_air_equipment_2` Modules: `ship_anti_air_3`, `tank_auto_cannon_2`, `tank_anti_air_cannon_2`, `lc_heavy_anti_air_battery`	`armored_car`: Hard Attack +0.1 Static Anti Air Damage Factor +0.1
`Purpose-Built Gun Motor Carriages` Gotterdammerung sp_artillery_purpose_built_gun_motor_carriages_tech	1.5	1940	Artillery I	—	—	`super_heavy_artillery`: Reliability +0.07 `super_heavy_artillery`: Supply Consumption -0.1 `self_propelled_super_heavy_artillery`: Reliability +0.07 `self_propelled_super_heavy_artillery`: Supply Consumption -0.1
`Rocket-Assisted Projectiles` Gotterdammerung sp_artillery_rocket_assisted_projectiles_tech	1.5	1940	Artillery I	—	—	`super_heavy_artillery`: Soft Attack +0.1 `self_propelled_super_heavy_artillery`: Soft Attack +0.1
`Improved Artillery Upgrade I` artillery2	1	1940	Artillery I	Improved Artillery Upgrade II, Support Rocket Artillery	—	`artillery`: Soft Attack +0.05 `artillery_brigade`: Soft Attack +0.1 `mot_artillery_brigade`: Soft Attack +0.1 `category_self_propelled_artillery`: Soft Attack +0.05 `field_guns`: Soft Attack +0.05
`Support Rocket Artillery` rocket_artillery	2	1940	Improved Artillery Upgrade I	Rocket Artillery Upgrade I	Equipment: `rocket_artillery_equipment_1` Units: `rocket_battery` Modules: `tank_rocket_launcher`, `rocket_rails`, `lc_rocket_launcher`	—
`Anti-Tank II` antitank2	1	1940	Anti-Tank Upgrade	Improved Anti-Tank Upgrade I	Equipment: `anti_tank_equipment_2` Modules: `tank_heavy_cannon_2`, `tank_buster_2`	`armored_car`: Ap Attack +0.1
`Shock-Hardening Techniques` Gotterdammerung sp_shock_hardening_techniques	1.5	1941	Anti-Air II	Variable Time Fuze Shells	—	Static Anti Air Damage Factor +0.15 Static Anti Air Hit Chance Factor +0.3
`Improved Anti-Air Upgrade I` antiair3	1	1941	Anti-Air II	Improved Anti-Air Upgrade II	Modules: `tank_heavy_cannon_2`	`category_anti_air`: Air Attack +0.1 `category_self_propelled_anti_air`: Air Attack +0.1 `category_self_propelled_anti_air_regimental_support`: Air Attack +0.05 Tech Air Damage Factor -0.02
`Improved Artillery Upgrade II` artillery3	1	1941	Improved Artillery Upgrade I	Artillery IV	Modules: `tank_medium_howitzer_2`	`artillery`: Soft Attack +0.05 `artillery_brigade`: Soft Attack +0.1 `mot_artillery_brigade`: Soft Attack +0.1 `category_self_propelled_artillery`: Soft Attack +0.025 `field_guns`: Soft Attack +0.05
`Rocket Artillery Upgrade I` rocket_artillery2	1	1941	Support Rocket Artillery	Rocket Artillery Upgrade II	—	`category_rocket_artillery`: Soft Attack +0.15 `rocket_battery`: Soft Attack +0.1
`Improved Anti-Tank Upgrade I` antitank3	1	1941	Anti-Tank II	Improved Anti-Tank Upgrade II, Advanced Sabot Rounds	Modules: `tank_medium_cannon_2`	`category_anti_tank`: Hard Attack +0.1 `category_anti_tank`: Ap Attack +0.1 `category_tank_destroyers`: Hard Attack +0.05 `category_tank_destroyers`: Ap Attack +0.05 `category_tank_destroyer_regimental_support`: Hard Attack +0.025 `category_tank_destroyer_regimental_support`: Ap Attack +0.05
`Variable Time Fuze Shells` Gotterdammerung sp_variable_time_fuze_shells	1.5	1942	Shock-Hardening Techniques	—	—	`artillery`: Soft Attack +0.1 `artillery_brigade`: Soft Attack +0.2 `mot_artillery_brigade`: Soft Attack +0.2 `category_self_propelled_artillery`: Soft Attack +0.05 `field_guns`: Soft Attack +0.05
`Improved Anti-Air Upgrade II` antiair4	1	1942	Improved Anti-Air Upgrade I	Anti-Air V	—	`category_anti_air`: Air Attack +0.1 `category_self_propelled_anti_air`: Air Attack +0.05 `category_self_propelled_anti_air_regimental_support`: Air Attack +0.05 Tech Air Damage Factor -0.02
`Artillery IV` artillery4	2	1942	Improved Artillery Upgrade II	Advanced Artillery Upgrade	Equipment: `artillery_equipment_3` Modules: `tank_medium_cannon_2`	`armored_car`: Soft Attack +0.1
`Rocket Artillery Upgrade II` rocket_artillery3	1	1942	Rocket Artillery Upgrade I	Rocket Artillery III	—	`category_rocket_artillery`: Soft Attack +0.15 `rocket_battery`: Soft Attack +0.1
`Advanced Sabot Rounds` Peace For Our Time sp_advance_sabot_shells	1.5	1942	Improved Anti-Tank Upgrade I	—	—	Static Anti Air Hit Chance Factor +0.15 `anti_tank`: Ap Attack +0.15 `anti_tank_brigade`: Ap Attack +0.15 `mot_anti_tank_brigade`: Ap Attack +0.15 `anti_tank_battery`: Ap Attack +0.15 `category_tank_destroyers`: Ap Attack +0.05 `category_tank_destroyer_regimental_support`: Ap Attack +0.05
`Improved Anti-Tank Upgrade II` antitank4	1	1942	Improved Anti-Tank Upgrade I	Anti-Tank V	Modules: `tank_high_velocity_cannon_2`	`category_anti_tank`: Hard Attack +0.1 `category_anti_tank`: Ap Attack +0.1 `category_tank_destroyers`: Hard Attack +0.05 `category_tank_destroyers`: Ap Attack +0.05 `category_tank_destroyer_regimental_support`: Hard Attack +0.025 `category_tank_destroyer_regimental_support`: Ap Attack +0.05
`Anti-Air V` antiair5	1	1943	Improved Anti-Air Upgrade II	—	Equipment: `anti_air_equipment_3` Modules: `ship_anti_air_4`, `tank_heavy_cannon_3`, `tank_anti_air_cannon_3`, `auto_loader`, `lc_heavy_anti_air_platform`	`armored_car`: Hard Attack +0.1 Static Anti Air Damage Factor +0.1
`Advanced Artillery Upgrade` artillery5	1	1943	Artillery IV	—	Modules: `auto_loader`, `tank_heavy_howitzer`	`artillery`: Soft Attack +0.05 `artillery_brigade`: Soft Attack +0.1 `mot_artillery_brigade`: Soft Attack +0.1 `category_self_propelled_artillery`: Soft Attack +0.025 `field_guns`: Soft Attack +0.05
`Rocket Artillery III` rocket_artillery4	1	1943	Rocket Artillery Upgrade II	—	Equipment: `rocket_artillery_equipment_2` Modules: `tank_rocket_launcher_2`	`motorized_rocket_brigade`: Soft Attack +0.3
`Anti-Tank V` antitank5	1	1943	Improved Anti-Tank Upgrade II	—	Equipment: `anti_tank_equipment_3` Modules: `tank_high_velocity_cannon_3`, `tank_heavy_cannon_3`, `auto_loader`, `lc_heavy_high_velocity_cannons`	`armored_car`: Ap Attack +0.1