When a medal was finally announced for nuclear test veterans there were some who were inexplicably left out - the crews who flew through the mushroom clouds of foreign powers on secret intelligence gathering operations. Even when it was extended, the men of 543 and 27 Squadrons were still only partially recognised. Now Merlin is throwing up more evidence of how even the crews who stayed behind in the UK could have been exposed to radiation. Susie and Jon are joined by ex-543 men Colin Duncan and Barry Fagg to discuss the evidence.

Politicians get a bad rap but today Susie and Jon are joined by two backbenchers who have been instrumental in securing justice for the nuclear veterans. Rebecca Long-Bailey and Emma Lewell have grilled ministers, arranged debates, and got under the bonnet of government to force Whitehall to address the evidence being discovered by campaigners.

All the historic documents shown onscreen or in credits are Crown copyright and likewise usable under open licence, with personal data redacted.

The British government always said it would compensate nuclear veterans, if they could provide evidence they were harmed. Neil Sampson was the lead solicitor who battled to do just that in 2007, in a legal process that stymied and blocked his best efforts but led to the creation of the newly-opened Merlin database. Together with lawyer Oli Troen, who is helping veterans with a fresh legal fight over the cover-up of human experiments, Neil joins Susie to unpick all the twists and turns of the MoD's legal strategies to deny truth and justice to its veterans.

All the historic documents shown onscreen or in credits are Crown copyright and likewise usable under open licence, with personal data redacted.