Aircraft Clearance for UNITAS IVUnited States. National Archives and Records AdministrationBox 3714DEF BRAZ 2/1/63 Defense Affair59A-116DEF 17-1 BRAZDefenseLanding clearanceMilitary attachésOperation UNITAS IVBrazil. Fôrça Aérea BrasileiraUnited States. Consulate General (Rio de Janeiro, Brazil)1963-07-24airgramsDepTel 82 July 18, 1963Keppel, JohnAuthor