sentences:  Not intended for front line combat, NKVD Internal Troops were used to guard borders, secure railways, and combat elements such as the Ukrainian Insurgent Army that posed threats to the rear areas and supply convoys of the Red Army.Notwithstanding the original intent of these units, many saw at least some front line combat, several were converted to regular divisions of the Red Army, and others were grouped into a field NKVD army that was later re-numbered as the 70th Army.There were different types of divisions