The Commonwealth of the Northern Mariana Islands Department of Community and Cultural Affairs Historic Preservation Office has just released a video on the recent World War II Invasion Beaches Survey. It gives a great overview of the project, it’s personnel, and the technology used to locate numerous targets in the waters off Saipan. The surey located landing craft, planes, tanks, and naval vessels. In fact over 1500 targets were recorded. This project was featured in an MUA project journal last year.
You can view the video here: http://marianaspacific.com/IBS/IBS.html
The project journal can be viewed here: