ABOARD USS ROSS—Ukraine and NATO have conducted Black Sea drills involving dozens of warships in a two-week show of their strong defense ties and capability following a confrontation between Russia’s military forces and a British destroyer off Crimea last month. The Sea Breeze 2021 maneuvers that ended Saturday involved about 30 warships and 40 aircraft from NATO members and Ukraine. The captain of the USS Ross, a U.S. Navy destroyer that took part in the drills, said the exercise was designed to improve how the equipment and personnel of the participating nations operate together. “We’d like to demonstrate to everybody, the international community, that no one nation can claim the Black Sea or any international body of water,” Cmdr. John D. John said aboard the guided missile destroyer previously deployed to the area for drills. “Those bodies of water belong to the international community, and we’re committed to ensure that …