This generation of soldiers, sailors, airmen, Marines and Coast Guardsmen have volunteered in the time of certain danger.

WHITEHOUSE: President Obama at Fort Hood: "Greatness Before Our Very Eyes" | The White House

Mr. Calleja believes that modern opera productions also have to be believable, and said that he can recognize certain danger signals while rehearsing a new production.

WSJ: Joseph Calleja | Faust | Here to Deal With the Devil | Cultural Conversation by Barrymore Laurence Scherer