The leadership of the German frigate Baden-Württemberg has declined to comment on a possible passage through the strait between mainland China and the island of Taiwan for reasons of “operational security.” China’s government, which regards Taiwan as a renegade province and has reserved the right to annex it by force if necessary, had warned against the warship’s passage through the sensitive waterway. Axel Schulz, the German navy admiral in charge, said the frigate and another vessel was only exercising “the freedom of international waters.” “There is therefore no reason to say anything about…