Which country showed its intention to withdraw from open sky treaty?

Which country showed its intention to withdraw from open sky treaty?

کس ملک نے اوپن اسکائی معاہدے سے دستبرداری کا ارادہ ظاہر کیا؟
Explanation

The United States officially withdrew on 22 November 2020.

Russia also announced its intentions to exit the treaty on January 15, 2021.

Russia formally withdrew in June 2021.