Relations between Iran and Russia continue to warm amidst an increasingly unstable geopolitical climate. The two allies signed a cooperative agreement this week, signaling Tehran and Moscow will lean on each other more as they similarly face a slew of Western sanctions.

Just three days before US President-elect Donald Trump returns to the White House, Russia and Iran are set to finally sign a “comprehensive partnership agreement,” a deal that’s been in the works for months.

The presidents of Russia and Iran have signed a broad cooperation pact to deepen their partnership amid stinging Western sanctions.