Ref.: PLAN-MV100
MO-120 RT-61 The MO-120 RT-61 (factory designator) or MO-120-RT is a heavy mortar of French origin. It was designed by Thomson-Brandt as the successor for the MO-120 AM-50. The RT is the designation stands for "rayé, tracté" which means rifled, towed. The RT-61 is currently used by the French Army (where it is known as RT F1 or Mortier de 120mm Rayé Tracté Modèle F1 - "120 mm rifled towed mortar, model F1"), and is produced under licence by Germany, Italy, Belgium, the Netherlands, Brazil, Japan, Turkey (as HY-12 "Tosam") and US Army (In the USMC under M327 designation). The MO-120 RT-61 is issued to artillery units, where it augments the 155 mm towed artillery. In French service, this weapon is normally towed by the VTM 120 (Véhicule Tracteur Mortier de 120 mm), wheeled armored vehicle that is a derivative of the VAB 4x4 series of armored personnel carrier.