FFI-rapport 2007/01189 Herring (sild), killer whales (spekkhogger) and sonar – the 3S-2006 cruise report with preliminary results Petter Kvadsheim 1 , Frank Benders 2 , Patrick Miller 3 , Lise Doksæter 4/1 , Frank Knudsen 5 , Peter Tyack 6 , Nina Nordlund 1 , Frans-Peter Lam 2 , Filipa Samarra 3 , Lars Kleivane 7 and Olav Rune Godø 4 1 Norwegian Defence Research Establishment (FFI), Maritime systems, Norway 2 TNO Defence Security and Safety, The Netherlands 3 Sea Mammal Research Unit, University of St. Andrews, Scotland 4 Institute of Marine Research, Norway 5 SIMRAD, Norway 6 Woods Hole Oceanographic Institution, USA 7 LKARTS, Norway Forsvarets forskningsinstitutt/Norwegian Defence Research Establishment (FFI) 30 April 2007