CPL Radar's Radio Room

The Navy canceled the tsunami warning it issued for Hawaii and ordered the return of ships that left Pearl Harbor, Hawaii, following an 8.8-magnitude earthquake that struck Chile.

The Navy is taking precautionary measures in response to the Tsunami warning issued in the wake of 8.8-magnitude earthquake that struck Chile today.

A new Defense Department policy authorizes users to access social media sites like Twitter from nonclassified government computers, as long as it doesn’t compromise operational security or involve prohibited activities or Web sites.

Progress in Afghanistan’s Helmand province, the decision to allow women to serve on Navy submarines and the “don’t ask, don’t tell” review now under way are the topics the chairman of the Joint Chiefs of Staff discusses in his latest podcast.

U.S. officials hope a series of reforms envisioned for the 28-country NATO alliance will be available for review by member nations when they convene later this year.

In Alaska, the largest radio transmitter on Earth sends high-frequency signals into the ionosphere to better understand the influence of charged particles on radio communications and satellite systems.

Inspired by his young son, a Marine Corps noncommissioned officer shattered the glass roof of his dream by wrestling his way to the top.

Afghan and international patrols found three weapons caches in Afghanistan’s Helmand province.

Iraqi security forces arrested a suspected al-Qaida in Iraq member believed to be responsible for numerous assassinations during a joint security operation conducted southwest of Baghdad.

Female sailors will begin serving on submarines by the end of next year, with this year’s Naval Academy graduates leading the way, Navy Secretary Ray Mabus and other Navy leaders told the Senate Armed Services Committee.