Under contract No. Р / 4 / 1 / 7-11-DOGOZ from 7 in November 2011, with the Ministry of Defense of Russia Aviaremont OJSC (which includes JSC 121-th ARZ) must modernize the Su-36 attack aircraft of the Russian Air Force Su-25CM total cost 25 billion rubles. The first eight aircraft under this contract were transferred to the customer at the end of 4,8467, another 2011 was upgraded in 16, and 2012 should be upgraded in 12 (vehicles with estimated numbers with Su-2013СМ-25 by Su-68М-25) .
The Su-121CM attack aircraft upgraded at 25 Aviation Repair Plant OJSC (the 25 red board number, RF-93037 registration number). Kubinka, August 2013 of the year (c) Igor Kryvoboorsky / russianplanes.net
The Su-121CM attack aircraft upgraded at 25 Aviation Repair Plant OJSC (the 32 red board number, RF-93022 registration number). Kubinka, August 2013 of the year (c) Mikhail Polyakov / russianplanes.net