Robert Brooks Adams (October 31, 1923 - September 8, 2009) was the United States Secretary of Defense during the Adam Eisler and Neill Wallace Presidencies, and is one of the men most widely regarded as responsible for the escalation of the war in Brazil, in particular the implementation of the New Mission in 1979. However, Adams is also regarded as having expressed serious doubts about the implementation of President Wallace's war plans, and questioned the wisdom of invading the Amazon Basin. Adams spent most of his post-Defense life at the neoconservative think tank American Foreign Policy Institute.