Research facilities working on technologies with potential application to this project are listed below.
Center for Sensors and Sensor Technology at Oklahoma
State University. Their site lists several other government sponsored sensor centers, of which they are the biological sensor unit.
Applied Physics Laboratory at Univ of Washington.
Doing Navy acoustic research including determining effect of surface ship wakes on sound.
U.S. Navy Coastal Systems Station Researching methods of detecting
frogmen and ways frogmen can avoid detection.
Acoustic Research Laboratory in Singapore. Researching ANI (ambient
noise imaging - the use of background noise in water to detect presence of objects).