Which among the following began its long-planned annual nuclear exercise 'Steadfast Noon' on 17 October 2022?

Which among the following began its long-planned annual nuclear exercise 'Steadfast Noon' on 17 October 2022?

Explanation

On 17 October 2022, North Atlantic Treaty Organization (NATO) began its long-planned annual nuclear exercise 'Steadfast Noon' in northwestern Europe. 

Belgium hosted this exercise from 17-30 October 2022.