In the 1980s the army headquarters was moved to Tiraspol, within the then Moldovan Soviet Socialist Republic. By 1991, the army was made up of four motor rifle divisions and other smaller units. Only the 59th Guards Motor Rifle Division and some smaller units, including the 1162nd Anti-Aircraft Rocket Regiment were on the left bank of the Dniester in the region of Transnistria. According to the Army sources, local Transnistrians made up the great majority of its soldiers, including 51 percent of the officers and 79 percent of the draftees.
The commanding officer of the Army, General G. I. Yakovlev, was openly supportive of the newly created PMR. He participated in the founding of the PMR, served in the PMR Supreme Soviet and accepted the position as the first chairman of the PMR Department of Defense on 3 December 1991, causing the Commander-in-Chief of the CIS armed forces, Yevgeny Shaposhnikov, to relieve him of his rank and service in the Russian military. Yakovlev's successor, General Yuriy Netkachev has assumed a more neutral stance in the conflict. However, his attempts at mediation between Chişinău and Tiraspol were largely unsuccessful.
On 23 March 1992, Shaposhnikov signed a decree authorising the transfer of military equipment of 14th Guards Army units stationed on the right bank of the Dniester to the Republic of Moldova. This military equipment had constituted the majority of the materiel utilized by the Moldovan army in the ensuing War of Transnistria. A second decree, issued on 1 April by Boris Yeltsin, transferred the personnel of the 14th Guards Army, as well as all left-bank military equipment, including a large weapons stockpile at Cobasna, under Russian jurisdiction.
By June 1992 the situation had escalated to an open military engagement. With the near disintegration of the army during the heaviest fighting in and around the city of Bendery, in the wake of a coordinated offensive by Moldovan forces, General Major Alexander Lebed arrived at the 14th Army headquarters on 23 June with standing orders to stop the ongoing conflict with any available means, inspect the army, prevent the theft of armaments from its depots and ensure the unimpeded evacuation of armaments and Army personnel from Moldovan and through Ukrainian territory. After briefly assessing the situation, he assumed command of the army, relieving Netkachev, and ordered his troops to enter the conflict directly. On 3 July at 03:00, a massive artillery strike originating from the 14th Army formations stationed on left bank of the Dniester obliterated the Moldovan force concentrated in Gerbovetskii forest, near Bendery, effectively ending the military phase of the conflict. According to at least one Moldovan source, 112 Moldovan soldiers were killed by the salvo.