"Heeresgruppe F" . "Yildirim Troops Inspectorate" . "Second Army Inspectorate" . . . . "Yildirim Army Group" . "Yildirim Army Troops Inspectorate" . "150,000" . . "1917" . . "Army Group F" . . . . "Yildirim Army Group" . . "German-reinforced threat" . "Yildirim" . "Yilderim (\\\"Thunderbolt\\\") Army Group" . . "Y\u0131ld\u0131r\u0131m Army" . . "''Heeresgruppe'' F" . . . "Ottoman Army Group F" . . "Y\u0131ld\u0131r\u0131m Army Group" . . . "Ottoman Yildirim Army" .