Yes - sort of.
I work in Defence procurement. We have seen some quotes now being produced in US $ rather than the expected £. This has not happened before in reaction to exchange rate changes. Additionally feed back has been received that a major European country will reduce its collaboration in information exchanges, directly related to Brxit.
We talk of the racial hatred that has been reported in the UK following the result of the referendum, this has also been felt by some UK Forces personnel in Europe. One RAF guy popped into his local shop as he had every day throughout his overseas posting. This time he was told to go f**k himself and never come back.