Ministry of Defence (United Kingdom):

In 2013 it was found that the Ministry of Defence had overspent on its equipment budget by £6.5bn on orders that could take up to 39 years to fulfil. The Ministry of Defence has been criticised in the past for poor management and financial control, investing in projects that have taken up to 10 and even as much as 15 years to be delivered.

Please answer a question about this article. If the question is unanswerable, say "unanswerable". Past projects ordered by the MoD have taken what type of time frame to fulfill?
up to 10 and even as much as 15 years