Society Hanoi prepared for 21-gun salute on National Day Tuesday, 12:08, 01/09/2015 (VOV) -As many as twenty five 105 mm M2A1 howitzers situated at The Thang Long Imperial Citadel are ready to fire to mark National Day (September 2). Every five howitzers will be fired at the same time Each howitzer is operated by three gunners Mời quý độc giả theo dõi VOV.VN trên
