FILE Russian President Vladimir Putin, left, and Belarus President Alexander Lukashenko shake hands during a meeting of the Union State Supreme Council in St. Petersburg, Russia, Monday, Jan. 29, 2024. Last year, Russia moved some of its tactical nuclear weapons into the territory of its ally Belarus that neighbors Ukraine and NATO members Poland, Latvia and Lithuania. (Dmitry Astakhov, Sputnik, Government Pool Photo via AP, File)
FILE - In this photo taken from video provided by the Russian Defense Ministry Press Service on Tuesday, Jan. 25, 2022, The Russian army's Iskander missile launchers take positions during drills in Russia. 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)
FILE - This photo taken from video provided by the Russian Defense Ministry Press Service on Saturday, Feb. 19, 2022, shows a Russian Iskander-K missile launched during a military exercise at a training ground in Russia. 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)
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)