
Formulate an answer to this elaborate question: Copper Green is reported by American investigative journalist Seymour Hersh to be one of several code names for a U.S. black ops program, according to Hersh, the task force was formed with the direct approval of which Secretary of Defense, during the U.S. invasion of Afghanistan, an American retired politician and businessman, he's both the youngest and the second oldest person to have served as Secretary of Defense?


Donald Henry "Don" Rumsfeld
