Obstruction nodes for tactical combat zone 4 8 obstruction nodes TacWP 2 NavWPID 576 LEAN_LEFT TacWP 6 NavWPID 564 LEAN_RIGHT TacWP 7 NavWPID 565 LEAN_LEFT TacWP 9 NavWPID 567 LEAN_RIGHT TacWP 10 NavWPID 568 LEAN_LEFT TacWP 23 NavWPID 570 LOW TacWP 25 NavWPID 601 LOW LEAN_RIGHT TacWP 28 NavWPID 560 LOW LEAN_LEFT