Reference TSR 2,
see here* pages 33-44, but especially 40-44.
As stated the TSR 2 was a Canberra light bomber replacement, not a strategic bomber replacement and, with the cost going through the roof and the pull back from east of Suez on the cards, cancellation was inevitable - as was the subsequent cancellation of the F-111.
* RAF Museum - "TSR2 with Hindsight". Edited by Air Vice-Marshal A F C Hunter CBE AFC DL