ECs in the MILITARY_SCIENCE group
ECC_ABATIS
ECC_AIR_DEFENCE_ARTILLERY
ECC_AIRBURST_SMOKE
ECC_AIRCRAFT_CARRIER
ECC_AMPHIBIOUS_ARMOURED_VEHICLE
ECC_ARMISTICE_LINE
ECC_ARMOURED_BRIDGE_LAUNCHER
ECC_ARMOURED_FIGHTING_VEHICLE
ECC_ARMOURED_TRACKED_FIGHTING_VEHICLE
ECC_ARMOURED_TRACKED_VEHICLE
ECC_ARMOURED_UTILITY_VEHICLE
ECC_ARMOURY
ECC_ARTILLERY_BATTERY
ECC_ASW_HELICOPTER
ECC_ASW_WINGED_AIRCRAFT
ECC_ATTACK_HELICOPTER
ECC_ATTACK_WINGED_AIRCRAFT
ECC_BARRACK
ECC_BATTLESHIP
ECC_BLOCKHOUSE
ECC_BOMBER_WINGED_AIRCRAFT
ECC_BREACH
ECC_BREACH_HOLE
ECC_CASTLE
ECC_CEASE_FIRE_LINE
ECC_CIVILIAN_PERSONNEL
ECC_COMBAT_STORES_VESSEL
ECC_COMBAT_SUPPORT_VEHICLE
ECC_COMBAT_SUPPORT_VESSEL
ECC_COMBATANT_VEHICLE
ECC_COMBATANT_VESSEL
ECC_DEFENSIVE_POSITION
ECC_DEFENSIVE_POSITION_DEFILADE
ECC_DEMILITARIZED_ZONE
ECC_DESTROYER
ECC_DROP_GATE
ECC_EARLY_WARNING_RADAR_SITE
ECC_ENGINEER_TRENCH
ECC_EXPLOSIVE_LAND_MINE
ECC_EXPLOSIVE_MINE
ECC_EXPLOSIVE_NAVAL_MINE
ECC_FIELD_ARTILLERY
ECC_FIGHTER_WINGED_AIRCRAFT
ECC_FIGHTING_POSITION
ECC_FORT
ECC_FORTIFICATION
ECC_GUIDED_MISSILE_CRUISER
ECC_GUIDED_MISSILE_DESTROYER
ECC_GUIDED_MISSILE_FRIGATE
ECC_HARDENED_AIRCRAFT_SHELTER
ECC_INDIVIDUAL_FIGHTING_POSITION
ECC_INFANTRY_TRENCH
ECC_LAND_MINEFIELD
ECC_LAUNCH_PAD
ECC_MARINE_MINEFIELD
ECC_MARTELLO_TOWER
ECC_MILITARY_FACILITY
ECC_MILITARY_INSTALLATION
ECC_MILITARY_OPERATIONS_BUILDING
ECC_MILITARY_PERSONNEL
ECC_MILITARY_TRENCH
ECC_MINEFIELD
ECC_MISSILE
ECC_MISSILE_SITE
ECC_MORTAR
ECC_MUNITION
ECC_NUCLEAR_WEAPONS_FACILITY
ECC_OCCUPATION_ZONE
ECC_PARAPET
ECC_PREPARED_DEFENSIVE_POSITION_SITE
ECC_PREPARED_DEFENSIVE_TRACT
ECC_PROHIBITED_REGION
ECC_RAMPART
ECC_ROLLING_BLOCK
ECC_RUNWAY_OVERRUN
ECC_SELF_PROPELLED_ARTILLERY
ECC_STORAGE_BUNKER
ECC_SURVEILLANCE_WINGED_AIRCRAFT
ECC_TERRAIN_CRATER
ECC_TERRAIN_TRANSPORTATION_ABATIS
ECC_TOWED_ARTILLERY
ECC_TRAINING_BUILDING
ECC_TRAINING_FACILITY
ECC_TRANSPORTATION_BLOCK
ECC_WALL_LOOPHOLE
ECC_WEAPON
ECC_WEAPON_FIGHTING_POS_ACCESS_ROUTE
ECC_WEAPON_FIGHTING_POSITION
ECC_WEAPON_FULL_DEFILADE_POSITION
ECC_WEAPON_HULL_DEFILADE_POSITION
ECC_WEAPON_SYSTEM
ECC_WEAPON_TURRET_DEFILADE_POSITION
ECC_WEAPONS_RANGE