Alan Kleier, the General Director for Chevron Corporation's operations in Angola, met with Marco Nhunga, Deputy General of the IDA (Instituto de Desenvolvimento Agrário), Cynthia G. Efird, the United States Ambassador to Angola, and Estevão Rodrigues, Director of CLUSA in Angola, in Benguela province on 1 March 2007 [REF].
Inclement weather caused a helicopter owned by BHP Billiton, the world's largest mining company, to crash in Angola on 16 November 2007, killing the helicopter's five passengers, including BHP's chief operation officer in Angola, David Hopgood.