weapon.extremeRange = 18;
    public static WeaponType createISRL15()  {      WeaponType weapon = new WeaponType();      weapon.name = "RL 15";        weapon.setInternalName("RL15");        weapon.addLookupName("ISRocketLauncher15");        weapon.addLookupName("IS RLauncher-15");      weapon.heat = 4;      weapon.damage= DAMAGE_MISSILE;      weapon.rackSize= 15;      weapon.minimumRange = WEAPON_NA;      weapon.shortRange= 4;      weapon.mediumRange= 9;      weapon.longRange = 15;      weapon.tonnage = 1.0f;      weapon.criticals = 2;      weapon.bv= 23;      weapon.flags |= F_ONESHOT;      weapon.toHitModifier=1;      weapon.ammoType= AmmoType.T_ROCKET_LAUNCHER;      return weapon;    }