One more NC-123B was employed as a radio relay plane over the Ho Chi Minh trail, with gear to read the indicators from various sensors on the ground meant to pick up enemy truck action. + Các website, ?ng d?ng quét t? ??ng d? li?u x? s? tr?c ti?p t? X? S? Minh Ng?c: K?t qu? c?p nh?t trên h? th?ng tr??c khi Hello?n trên màn hình kho?ng 5 gi