James R. Mellor, chairman of the board of directors, retired in 1997 as chairman and chief executive officer of General Dynamics Corporation, a company engaged in shipbuilding and marine systems, land and amphibious combat systems, information systems, and business aviation businesses, a position he held since 1994. Prior to assuming that position, Mr. Mellor was president and chief operating officer of General Dynamics. Mr. Mellor served as interim president and chief executive officer of the Company from December 2004 to October 2005.