Administrative record (item) - CAC Correspondence Relating to the Ikara Project for the RAN - Ex. 200/220 Project 9.4/9.5: Secret - G.30, Letter - Navy Office Director of Armament Supply Attn R.H. Evans - Modifications' Cost Estimates for Approval (Proposal No.s 132 to 196 not inclusive) - Signed CAC Secretary (29/6/67)