San Francisco officials say they weren’t told that the Navy detected plutonium at the Hunters Point Shipyard for 11 months.

The United States has reportedly begun upgrading the dormant Roosevelt Roads Naval Base in Puerto Rico, ramping up construction, runway repaving, and installation of portable air traffic and security ...

The San Francisco Health Department is sounding the alarm over high levels of radioactive "plutonium 239" detected in the air ...

The aircraft carrier USS George Washington (CVN-73) was out of action for six years, a catastrophic delay of its mid-life ...

All personnel were safe and in stable condition, after a Navy helicopter and a fighter jet both went down in the South China ...