Running a museum of aviation, ground and combat technology. Offering identification of downed WW2 aircraft, mapping the circumstances of the downing and excavation of their wreckage.

Almost a kilometre of mutually perpendicular passages cut in the rock below Petrov. The system of vaulted passages, located in a rectangular area approximately 85 x 60 metres, provided shelter for up to three thousand people for four days in the event of an atomic explosion.