] The TSR2's intended replacement-the (American) General Dynamics F-111-was shelved on 16 January 1968[REF] when its costs overshot the UK's budget (it would have cost £425m for 50 aircraft).
After a parliament debate on 1 May 1967 about the prices of both F-111 and TSR2, Denis Healey simply wanted an aircraft programme that involved no research & development.