Step (air base)

Step (also Olovyannaya) is an air base in Chita, Russia located 14 km northwest of Yasnogorsk. It is a large air base with two revetment areas and numerous military fortifications. It is near an SS-11 missile field that was dismantled in the mid-1990s.

Units stationed at Step/Olovyannaya include:
 * 6 APIB (6th Fighter-Bomber Aviation Regiment) flying Su-17 in the late 1980s; under 23rd Air Army (Transbaikal Military District).
 * 58 APIB (58th Fighter-Bomber Aviation Regiment) flying Su-17M3 and L-29 aircraft in the late 1980s, and receiving MiG-27 in the early 1990s.. It was under 23rd Air Army (Trans-Baikal).
 * 266 OSHAP (266th Independent Shturmovik Aviation Regiment) flying Su-25 aircraft.