The story: Saudi Deputy Defense Minister Khalid bin Salman Al Saud (KbS) has signed a military cooperation pact with his Russian counterpart. The accord signed in Moscow will strengthen bilateral defense relations as the US—Saudi Arabia’s traditional partner—reconfigures its regional security strategy. Russia also suggested arms sales to the Kingdom during the Saudi visit; a move that will likely prompt a US response.

The coverage: On Aug. 23, the Saudi Press Agency (SPA) announced that KbS had arrived in Moscow to attend the International Military-Technical Forum (ARMY 2021). The annual event showcases the latest Russian military equipment...