"Just days after Russia threatened to fire on “intruding” warships near the Crimean Peninsula in the Black Sea, the annual Sea Breeze exercise, which U.S. 6th Fleet is co-hosting with the Ukrainian Navy, kicked off Monday with the largest number ever of participating countries.
Sea Breeze 21, which continues through July 10 in the Black Sea region, focuses on amphibious warfare, land maneuver warfare, diving operations, maritime interdiction operations, air defense, special operations integration, anti-submarine warfare and search and rescue operations, according to a 6th Fleet news release. Thirty-two countries from six continents are providing 5,000 troops, 32 ships, 40 aircraft, and 18 special operations and dive teams to the exercise. The exercise gets underway just five days after Russia announced that one of its warships fired warning shots and a warplane dropped bombs in the path of British destroyer Defender to drive it away from waters near the Crimean city of Sevastopol, the main Russian naval base in Crimea. Britain denied that account, insisted there were no warning shots or bombs dropped near its ship and that it was sailing in Ukrainian waters."
https://www.navytimes.com/news/your-navy/2021/06/28/sea-breeze-21-begins-in-the-black-sea-after-russia-threatens-to-fire-on-intruding-warships/