The first major attack of "Odyssey Dawn" came as 112 Tomahawk cruise missiles struck surface-to-air missiles, early warning sites, and key communication modes. It's the first step in enforcing a no-fly zone.
Some US naval forces engaged in earthquake relief efforts have been exposed to low levels of radiation from the Japan nuclear crisis. The Navy is keeping its ships out of the radiation 'plume' and is taking precautions.
Japan earthquake relief efforts are underway, with one US Navy ship already loading humanitarian supplies. The Pentagon's first priority Friday, however, was to make sure all its personnel and equipment in Japan and the Pacific were safe.