US dollars http://karambeeakonveksi.com/skypharmcn-ef5d.pdf skypharm.cn  Barco said teams haven't seen any physical trauma that would indicate entanglements or sonar damage, as midfrequency naval sonar has been linked in the past to whale and dolphin deaths. Ted Brown, a spokesman for the Navy's Fleet Forces Command in Norfolk, said "there has been no change or increase in sonar use that could be related" to the recent surge.