The M-108 self-propelled artillery ended up being introduced, in the early '60s, to satisfy a particular need of U.S. Army: develop a top flexibility howitzer in a position to change the the aging process M52. The M-108 flexibility, obtained as a result of the effective diesel turbocharged 8-cylinders motor and to the efficient suspension system, ended up being its primary power. The armament ended up being created by the 105 mm howitzer and also by one 12.7 mm device gun, suited to the rooftop, for close protection purposes. The answer considering 105 mm howitzer as main weapon, however, was not therefore effective. U.S. Army decided actually very soon to consider larger caliber howitzers characterized by more effectiveness. The M-108 had been utilized throughout the Vietnam War but it ended up being gradually flanked after which replaced by self-propelled 155 mm. and 203 mm. artilleries.