Banking on the MSTA-S howitzer, Putin's men destroyed a Ukraine Army ammunition truck. Fireball explosion - The ammunition detonated after being hit by an artillery shell. The MSTA-S engages artillery & mortar batteries; tanks, anti-tank & armored vehicles. The MSTA-S also engages control points, air & missile defence and electronic weaponry. Putin's howitzer effectively destroys field fortifications & other defensive structures. Resultantly, the Ukrainian Forces struggle to maneuver infantry and armored reserves.