US ambassadors killed in the line of duty

J. Christopher Stevens , the U.S. ambassador to Libya, was killed Tuesday in the attack on the U.S. consulate in the eastern city of Benghazi by protesters angry over a film that ridiculed Islam's Prophet Muhammad.
 
According to the State Department Office of the Historian, five U.S. ambassadors have been killed by terrorists:
 
   --Adolph Dubs, in Afghanistan, 1979
 
   --Francis E. Meloy Jr., in Lebanon, 1976
 
   --Rodger P. Davies, in Cyprus, 1974
 
   --Cleo A. Noel Jr., in Sudan, 1973
 
   --John Gordon Mein, in Guatemala, 1968
 
   Two other U.S. ambassadors have died in plane crashes:
 
   --Arnold L. Raphel, in Pakistan, 1988
 
   --Laurence A. Steinhardt, in Canada, 1950