Obstacles Persist As Iran Seeks Top Fighter Jets From Russia

Sukhoi Su-35S jet fighters of the Russkiye Vityazi (Russian Knights) aerobatic team perform during the MAKS 2021 air show in Zhukovsky, outside Moscow, Russia, July 25, 2021.
Sukhoi Su-35S jet fighters of the Russkiye Vityazi (Russian Knights) aerobatic team perform during the MAKS 2021 air show in Zhukovsky, outside Moscow, Russia, July 25, 2021.

Iran's pursuit of advanced warplanes from its ally Russia to modernize its aging fleet has faced numerous hurdles, plunging the regime into a state of uncertainty.