Myasishev Techservice was founded in 1994 for maintenance, modernization of L-39 aircraft in Russian Air Force, military technics long storage computer-based system. Enterprise in cooperation with Scientific and Research Institute of MoD determine L-39 aircraft exploiting and curry out aviation technics study. Enterprise develop and introduce program of extension service term up to 30 years and resource up to 10 000 flight hours. In Russian Armed Forces use already systems developed by enterprise, which allows maintain desired air humidity in tanks, prevent corrosion and ensure long term storage. Rapid erected storehouse developed by enterprise, which allows to maintain desired condition parameters.