I agree it has been a fad to write contracts about the desired end effect rather than specify a means - i.e. To be able to destroy XX at range XX in condition XX, rather than specify you want a jet with bombs, and let the bidders decide if the want to offer a Zeppelin, jet, cruise missile or artillery.
But if the invitation to tender is from the navy I'd tend to lean towards what they're likely to see as a the best and least risky option....
Last edited by ORAC; 27th Aug 2021 at 13:01.