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Sonobuoy launch

Detailed Description

Engineering technician Jenny McKee from the USGS Pacific Coastal and Marine Science Center in Santa Cruz, California watches as an expendable sonobuoy leaves the launcher during the 2018 MATRIX cruise on research vessel Hugh R. Sharp.  The sonobuoy deploys an antenna used to transmit received seismic signals back to the ship over radio frequencies at distances up to 15 km away.


Public Domain.