"Vostok Battalion" . "2008" . "Urban warfare" . "Cold-weather warfare" . "Special operations" . "Special Battalions Vostok and Zapad" . "Special reconnaissance" . "''Vostok'' and ''Zapad''" . "Forward air control" . "Reconnaissance" . "\\\"Zapad\\\"" . "Zapad Battalion" . "Tactical emergency medical services" . "Direct action" . "Patrolling" . . "HUMINT" . "Tracking" . "Federal Zapad battalion" . . . . . "Maneuver warfare" . . "Chechen Battalions \\\"Vostok\\\" and \\\"Zapad\\\"" . . "1999" . . . "Special Battalion Vostok" . . "Close-quarters combat" . "Counterinsurgency" . . "Irregular warfare" . . . . . "Special Battalion \\\"Vostok\\\"" . "Raiding" . . . "Mountain warfare" . . "''Zapad'' (West)" . "1999" . "Special Battalions ''Vostok'' and ''Zapad''" . . "1,200\u20131,800 active personnel" . "Forward observer" . "Military intelligence" . . "Vostok (\\\"East\\\") and Zapad (\\\"West\\\")" . "2003" . "Special Battalions Vostok and Zapad" . . . .