FILE PHOTO: Russian servicemen sit in the cabins of S-400 missile air defense systems in Tverskaya Street before a rehearsal for the Victory Day parade, which marks the anniversary of the victory over Nazi Germany in World War Two, in central Moscow, Russia April 29, 2019. REUTERS/Tatyana Makeyeva/File Photo
ISTANBUL (Reuters) – Turkey’s defense ministry said the first parts of the S-400 Russian missile defense systems were delivered to Ankara on Friday.
Turkey’s acquisition of the Russian system is a source of tension between Turkey and NATO ally United States.
Reporting by Sarah Dadouch and Ezgi Erkoyun; Editing by Dominic Evans