Charles Smith’s recent letter to the editor concerning our tragic bombing of the girls’ school in Iran (“Pentagon’s silence after strike on Iranian girl’s school,“ May 31) brings to mind another episode in the Strait of Hormuz which may have escaped our memories.In July 1988, the missile cruiser USS Vincennes, which was deployed in the Strait to facilitate oil shipping during the conflict between Iran and Iraq at the time, shot down civilian Ira…