AIS Updates and Thoughts

After two major collisions with substantial loss of American lives between US Navy destroyers and merchant ships, many of us went to websites that provide histories of the movements of the ships in the area up to the minute of the collision. Using the AIS transponders that are on all of the commercial vessels, and some of the recreational vessels, you can clearly see the paths of the vessels heading in and out of some of the most constrained and confusing waterways in the world.