Civil Aviation Training Center
Civil Aviation Training Center ( "CATC" ) is located in Iran and have bases in Tehran , Ahwaz , Mashhad , Shiraz , Esfahan and Tabriz . 
<triplet> Tehran <subj> Iran <obj> country <triplet> Ahwaz <subj> Iran <obj> country <triplet> Mashhad <subj> Iran <obj> country <triplet> Shiraz <subj> Iran <obj> country <triplet> Esfahan <subj> Iran <obj> country <triplet> Tabriz <subj> Iran <obj> country