FILE - In this photo taken from video released by Russian Defense Ministry Press Service on April 14, 2023, a Belarusian air force pilot speaks at an unidentified location. The video said that Belarusian air crews have completed a training course in Russia on using nuclear weapons. The Russian Defense Ministry said that the military will hold drills involving tactical nuclear weapons – the first time such exercise was publicly announced by Moscow. (Russian Defense Ministry Press Service via AP, File)