. . "Chief of Army Staff" . . . . . "Akahan, Joseph"@en . "1937Z"^^ . "Lt. Colonel Joseph (Joe) Akahan was Chief of Army Staff (Nigeria) from May 1967 until May 1968, when he was killed in a helicopter crash during the Nigerian Civil War."@en . "Joseph Akahan"@en . "Chief of Army Staff of Nigeria" . "1937-04-12Z"^^ . "1968Z"^^ .