Senior Russian officers have visited Iranian missile sites throughout the past year as military ties developed; unclear if they have specific expertise in nuclear weapons

Several senior Russian missile specialists have visited Iran over the past year as the Islamic Republic has deepened its defence cooperation with Moscow, a Reuters review of travel records and employment data indicates.

Several senior Russian missile specialists have visited Iran over the past year as the Islamic Republic has deepened its defense cooperation with Moscow, a Reuters review of travel records and employment data indicates.