Tech
    name = "SPY_STEALTH_4"
    description = "SPY_STEALTH_4_DESC"
    short_description = "SHIP_PART_UNLOCK_SHORT_DESC"
    category = "SPY_CATEGORY"
    researchcost = 1000 * [[TECH_COST_MULTIPLIER]]
    researchturns = 8
    tags = [ "PEDIA_SPY_CATEGORY" ]
    prerequisites = [
                    "SPY_STEALTH_3"
                    "SPY_STEALTH_PART_3"
                    ]
    unlock = Item type = ShipPart name = "ST_CLOAK_4"
    effectsgroups =
        EffectsGroup
            scope = And [
                OwnedBy empire = Source.Owner
                Planet
            ]
            effects = [
                AddSpecial name = "VOID_SLAVE_SPECIAL"
                RemoveSpecial name = "DIM_RIFT_SLAVE_SPECIAL"
                RemoveSpecial name = "VOLCANIC_ASH_SLAVE_SPECIAL"
                RemoveSpecial name = "CLOUD_COVER_SLAVE_SPECIAL"
            ]
    graphic = "icons/specials_huge/void.png"

#include "/scripting/common/base_prod.macros"
