Special Features:

Sonar channel c w/helicopter compatible parachute, w/g-3 launch envelope, (1) hour operating life, selectable operating depth range (50/150/300 ft.) or (90/400/1500 ft.). Contains 12 lithium batteries.

Properties:

A water buoyant item designed to intercept underwater sound waves for the specific purpose of retransmitting the received sounds in space via electromagnetic waves and/or intercept electromagnetic waves for the specific purpose of retransmitting the intelligence as underwater sound waves. See also buoy, radio transmitting.