A US judge has temporarily put a stop to US Navy plans to use high powered military sonar during planned multinational war games near Hawaii. From the Honolulu Advertiser:

A California federal judge yesterday blocked the use of high-power, midfrequency sonar during Rimpac 2006 exercises off Hawai'i, saying the court had received "convincing scientific evidence" that the undersea noise could harm marine life.

The ruling immediately affects the naval war games involving eight nations, which had been scheduled to begin using its sonar for submarine-hunting training as early as Thursday and to continue through July 28.

More info on the NRDC website.