Rivals such as China and Russia have invested in air defenses that deny the United States superiority over the skies and force it to rely on expensive stand-off missile strikes—that is, attacks ...

Turkey is still bombing armed Kurdish insurgents in Iraq and Syria, even after their leader urged them to lay down their arms ...

U.S.-Turkey relations have faltered since Erdogan renewed calls for the extradition of Fethullah Gülen—a Turkish political and religious leader in self-imposed exile in the United States—whom ...