State-run arms giant Ukroboronprom is preparing for a serial upgrade of the S-125M "Pechora" air defense missile system, according to Ukrainian President Petro Poroshenko.

"State Concern Ukroboronprom continues to develop anti-aircraft defense equipment for the Armed Forces. The upgraded S-125M Pechora air defense missile system recently saw successful tests,” said a posting on Petro Poroshenko’s Facebook page.

Read alsoModernized anti-aircraft missile system Pechora tested in Ukraine (video)The President noted that the operating range of the upgraded complex is more than 40 km, while the maximum hit zone altitude is 25 km.

"Ukrainian specialists managed to significantly increase the accuracy of targeting and defeating highly maneuverable targets, " he added. "Now the enterprise is preparing for a serial modernization of such missiles. We continue boosting defense capabilities of the AFU [Armed Forces of Ukraine]!" said Poroshenko.