In his letter to Goodison, Treweeks declares that the Defense Intelligence Staff agreed with J. Koop's conclusion that Dimona was capable of pursuing a nuclear weapons program. Goodison's previous letter to Treweeks is attached.

Referring to Goodison and Kellas' correspondence, Treweeks states that evidence shows that the Canadian report concerning an Argentine-Israeli uranium deal was incorrect and that there is little evidence for an Israeli plutonium separation facility.