public ISpaceShip attackShip() {
        ISpaceShip[] ships = World.getOtherShips();
        int nShips      = ships.length;
        ISpaceShip[] aliveShips = new ISpaceShip[nShips];
        int nAliveShips = aliveShips.length;
        int alive       = 0;
        for (int a=0;a<nShips;a++){
            if (alive(ships[a])){
                aliveShips[alive] = ships[a];
                alive++;
            }
        }
        ISpaceShip ship = aliveShips[0];
        for (int a=0;a<nAliveShips;a++){
            if (getDistanceTo(ship)>=getDistanceTo(aliveShips[a])){
                ship = ships[a];
            }
        }
        return ship;
    }