Russian drones built in Iran are causing issues.

 Iran and Russia have had technological issues.

 The officials, who requested anonymity in order to speak about the U.S.

Russian plans to purchase a large number of Iranian UAVs.

Last week, The Associated Press reported.

 The Washington Post first reported that Russia has faced technical problems with the Iranian drones.

  Last month, the Biden administration made satellite imagery available.

Russian officials visited Kashan Airfield on June 8 and July 5 to view the Iranian drones.