weapon.minimumRange = 0;
weapon.minimumRange = WEAPON_NA;
    public static WeaponType createISMRM20() {        WeaponType weapon = new WeaponType();        weapon.name = "MRM 20";        weapon.setInternalName(weapon.name);        weapon.addLookupName("MRM-20");        weapon.addLookupName("ISMRM20");        weapon.addLookupName("IS MRM 20");        weapon.heat = 6;        weapon.damage = DAMAGE_MISSILE;        weapon.toHitModifier = 1;        weapon.rackSize = 20;        weapon.ammoType = AmmoType.T_MRM;        weapon.minimumRange = 0;        weapon.shortRange = 3;        weapon.mediumRange = 8;        weapon.longRange = 15;        weapon.tonnage = 7.0f;        weapon.criticals = 3;        weapon.bv = 112;        return weapon;    }