MickJoeBill
You'll be able to tell us then.
In the interests of realism, were the test explosive devices put together from exactly the same materials that the plotters intended to use, in an aircraft toilet at the scene of the detonation. If so, how long did it take to complete the devices from start to finish.
With regard to punishment when it is meted out, I see no reason why the British taxpayer should foot the bill for these clowns to languish in a UK prison. Far better to revoke their UK citizenship and drop them into a Taliban occupied area of Helmund Province where they can be free to practice their religion to their hearts content.