1.Production to continue throughout forecast periodrnPrincipal platform for current and future installation is 2.the U.S. Navy's Arleigh Burke (DDG-51) class destroyerrn3.DDG-1000 Zumwalt class destroyer expected to use SQS-60 hull-mounted sonarrn4.Strong maintenance and upgrade market Environmentalists continue protest over sonar usage.
展开▼
