Forget the bogus U.S and British military data of which had very little interest in studying the area. We have a number of teams who did a much more thorough job.
ROTFL! You think that the most powerful navies in the world aren't interested in studying one of the most strategically and tactically critical waterways in the world??? You think some amateurs, or even NGO professionals, are going to do a better job than the British Admiralty or the U.S. Navy?????